Starlink babban abu ne

Starlink babban abu ne
Wannan labarin ya fito ne daga jerin abubuwa shirin ilimi a fagen fasahar sararin samaniya.

Starlink - Shirin SpaceX na rarraba yanar gizo ta hanyar dubban tauraron dan adam shine babban batu a cikin labaran sararin samaniya. Ana buga labarai game da sabbin nasarorin da aka samu mako-mako. Idan, a gaba ɗaya, makircin ya bayyana, amma bayan karantawa rahoto ga Hukumar Sadarwa ta Tarayya, Mutum mai himma (ka ce, naka da gaske) zai iya tono bayanai da yawa. Duk da haka, har yanzu akwai rashin fahimta da yawa da ke da alaƙa da wannan sabuwar fasaha, har ma a tsakanin masu lura da hankali. Ba sabon abu ba ne don ganin labaran da ke kwatanta Starlink zuwa OneWeb da Kuiper (a tsakanin wasu) kamar dai suna fafatawa akan daidai sharudda. Sauran mawallafa, a fili sun damu da kyau na duniya, suna kuka game da tarkacen sararin samaniya, dokar sararin samaniya, ma'auni da amincin ilimin taurari. Ina fatan cewa bayan karanta wannan - maimakon dogon - labarin, mai karatu zai fi fahimta da jin ra'ayin Starlink.

Starlink babban abu ne

Labari na baya ba zato ba tsammani ya taɓo raɗaɗi mai mahimmanci a cikin ruhin ƴan masu karatu na. A ciki, na bayyana yadda Starship zai sanya SpaceX a kan gaba na dogon lokaci kuma a lokaci guda yana samar da hanyar bincike don sabon sararin samaniya. Ma'anar ita ce masana'antar tauraron dan adam na gargajiya ba za su iya ci gaba da yin amfani da SpaceX ba, wanda ke ci gaba da haɓaka iya aiki tare da rage kashe kuɗi kan dangin Falcon na roka, yana jefa SpaceX cikin tsaka mai wuya. A gefe guda, ta samar da kasuwa mai daraja, a mafi kyawu, biliyan da yawa a shekara. A daya hannun kuma, shi ƙone a kanta wani irrepressible ci na kudi - domin gina wani babbar roka, a kan wanda, duk da haka, kusan babu wanda zai aika zuwa Mars, kuma ba za a iya sa ran nan da nan riba.

Maganin wannan matsala ta tagwaye shine Starlink. Ta hanyar hadawa da harba tauraron dan adam nata, SpaceX na iya kirkirowa da kuma ayyana sabuwar kasuwa don samun ingantacciyar hanyar samun hanyoyin sadarwa ta hanyar dimokuradiyya, da samar da kudade don kera makamin roka kafin ya nutsar da kamfanin, da kuma daukaka darajar tattalin arzikinsa zuwa tiriliyan. Kada ku raina ma'aunin burin Elon. Gabaɗaya, babu masana'antu da yawa inda tiriliyoyin daloli ke juyawa: makamashi, sufuri mai sauri, sadarwa, IT, kiwon lafiya, aikin gona, gwamnati, tsaro. Duk da rashin fahimtar juna, hako sararin samaniya, hakar ma'adinai a kan wata и sarari hasken rana bangarori Kasuwancin ba zai yiwu ba. Elon ya mamaye masana'antar makamashi tare da Tesla nasa, amma sadarwa kawai za ta samar da ingantaccen kasuwa mai inganci don tauraron dan adam da harba roka.

Starlink babban abu ne

A karon farko, Elon Musk ya juya idanunsa zuwa sararin samaniya lokacin da yake so ya ba da gudummawar dala miliyan 80 ga manufa don shuka tsire-tsire a kan binciken Martian. Wataƙila zai yi tsada sau 100 don gina birni akan Mars, don haka Starlink shine babban faren Musk don amintar da tekun da ake buƙata na tallafin kuɗi. birni mai cin gashin kansa akan Mars.

Don me?

Na dade ina shirin wannan labarin, amma a makon da ya gabata ne na sami cikakken hoto. Sannan Shugaban SpaceX Gwynn Shotwell ya yi wa Rob Baron wata kyakkyawar hira, wacce daga baya ya rufe wa CNBC a cikin babbar murya. Shafin Twitter Michael Schitz, da kuma wanda suka sadaukar da dama labarai. Wannan hirar ta nuna babban bambanci a hanyoyin sadarwar tauraron dan adam tsakanin SpaceX da kowa.

Tunani Starlink an haife shi a cikin 2012, lokacin da SpaceX ya fahimci cewa abokan cinikin su - galibi masu samar da tauraron dan adam - suna da tarin kudade. Kaddamar da pads suna kashe farashi don tura tauraron dan adam kuma ta yin hakan, ko ta yaya, an rasa mataki ɗaya na aikin - ta yaya? Elon ya yi mafarkin ƙirƙirar tauraron dan adam don Intanet kuma, ya kasa yin tsayayya da wani aiki kusan ba zai yiwu ba, ya zagaya tsarin. Ci gaban Starlink ba tare da wahala ba, amma a ƙarshen wannan labarin, mai karatu na, mai yiwuwa za ku yi mamakin yadda waɗannan wahalhalun suke ƙanƙanta, idan aka yi la'akari da fa'idar ra'ayin.

Shin irin wannan babbar ƙungiya ce da gaske tana da mahimmanci ga Intanet? Kuma me yasa yanzu?

A cikin ƙwaƙwalwara ne kawai Intanet ta samo asali daga ilimin kimiyya kawai zuwa na farko kuma kawai abubuwan more rayuwa na juyin juya hali. Wannan ba batu ba ne da ya cancanci sadaukar da shi a cikin dogon labarin, amma zan ɗauka cewa a duniya, buƙatar Intanet da kudin shiga da yake samarwa zai ci gaba da girma a kusan 25% a kowace shekara.

A yau, kusan dukkaninmu muna samun Intanet daga ƴan ƴan ƴan ƴan ƴan ƴan sanda masu zaman kansu. A cikin Amurka, AT&T, Time Warner, Comcast da ƴan ƴan wasa kaɗan sun raba yankin don gujewa gasa, yaƙi fatun guda uku don sabis da wanka a cikin hasarar kusan ƙiyayya ta duniya.

ISPs suna da kyakkyawan dalili na halayen rashin gasa, baya ga kwadayi duka. Gina abubuwan more rayuwa don intanit — hasumiya ta microwave cell da fiber optics — yana da tsada sosai. Yana da sauƙi a manta game da yanayin ban mamaki na Intanet. Kakata ta fara aiki a yakin duniya na biyu a matsayin mai sigina, sa'an nan kuma tashar telegraph ta yi gasa don jagorancin dabarun dabarun tare da 'yan tattabarai! Ga yawancin mu, babban titin bayanai wani abu ne na al'ada, wanda ba a taɓa gani ba, amma raƙuman ruwa suna tafiya cikin duniyar zahiri, wanda ke da iyakoki, koguna, duwatsu, tekuna, hadari, bala'o'i, da sauran cikas. Komawa cikin 1996, lokacin da aka shimfiɗa layin fiber-optic na farko akan benen teku. Neil Stevenson ya rubuta cikakkiyar maƙala akan yawon shakatawa na yanar gizo. Tare da salo mai kaifi na alamar kasuwancinsa, ya bayyana sarai tsadar tsada da sarƙaƙƙiyar shimfida waɗannan layukan, wanda har yanzu ana amfani da “kotegas” da aka lalatar da su. Domin yawancin shekarun 2000, an ja kebul ɗin da yawa wanda farashin turawa ya kasance abin mamaki.

A wani lokaci na yi aiki a dakin gwaje-gwaje na gani kuma (idan ƙwaƙwalwar ajiya ta yi aiki) mun karya rikodin wancan lokacin ta hanyar ba da adadin watsa multix na 500 Gb/s. Iyakokin lantarki sun ba da damar ɗaukar kowane fiber da 0,1% na bandwidth na ka'idar. Shekaru goma sha biyar bayan haka, muna shirye mu wuce kofa: idan canja wurin bayanai ya wuce shi, fiber zai narke, kuma mun riga mun kusanci wannan.

Amma wajibi ne a ɗaga bayanan da ke gudana sama da ƙasa mai zunubi - zuwa sararin samaniya, inda tauraron dan adam ke tashi a kusa da "ball" sau 30 a cikin shekaru biyar. A bayyane yake, da alama, mafita - don haka me yasa ba wanda ya ɗauka a baya?

Tauraron tauraron dan adam Iridium, wanda Motorola ya haɓaka kuma aka tura shi a farkon shekarun 1990 (har yanzu yana tunawa da su?), Ya zama cibiyar sadarwar sadarwa mara ƙarfi ta farko ta duniya (kamar yadda aka kwatanta da jaraba a cikin wannan littafin). A lokacin da aka tura shi, ikon sarrafa ƙananan fakitin bayanai daga masu sa ido kan kadara shine kawai amfani da shi: wayoyin salula sun kasance masu arha har wayar tauraron dan adam ba ta shiga ba. Iridium yana da tauraron dan adam 66 (tare da wasu ƴan abubuwan kariya) a cikin kewayawa 6 - mafi ƙarancin saita don rufe duk duniya.

Idan tauraron dan adam 66 ya isa Iridium, to me yasa SpaceX ta bukaci dubun dubatar? Me yasa ta bambanta?

SpaceX ya shiga wannan kasuwancin daga akasin ƙarshen - ya fara da ƙaddamarwa. Ya zama majagaba a fagen adana abubuwan hawa harsashi kuma ta haka ya kama kasuwa don fakitin ƙaddamarwa mai arha. Ƙoƙarin ƙetare su da ƙananan farashi ba zai sami kuɗi mai yawa ba, don haka kawai hanyar samun riba daga wuce gona da iri shine zama abokin ciniki. SpaceX ta kashe kashe don harba tauraron dan adam nata - kashi daya bisa goma na kudin (da 1 kg) Iridium, sabili da haka suna iya shiga kasuwa mai yawa.

Rukunin Starlink na duniya zai ba ku damar samun intanet mai inganci a ko'ina cikin duniya. A karon farko, samun Intanet ba zai dogara ne akan kusancin ƙasa ko birni zuwa layin fiber na gani ba, amma akan tsarkin sararin sama. Masu amfani a duk faɗin duniya za su sami damar yin amfani da intanet na duniya mara ɗaure, ba tare da la'akari da nau'ikan nau'ikan mummuna da/ko rashin gaskiya na gwamnati ba. Ƙarfin Starlink na karya waɗannan ɓangarorin yana haifar da ingantaccen canji mai girma wanda a ƙarshe zai haɗa biliyoyin mutane zuwa cikin al'ummomin yanar gizo na duniya na gaba.

Karamin digression lyrical: menene wannan ma yake nufi?

Ga mutanen da suka girma a yau a cikin zamanin haɗin kai a ko'ina, intanet yana kama da iskar da muke shaka. Yana kawai. Amma wannan - idan ka manta game da ikonsa mai ban mamaki don kawo canje-canje masu kyau - kuma mun riga mun kasance a cikin cibiyar su. Tare da taimakon Intanet, mutane za su iya kiran shugabanninsu don yin lissafi, sadarwa tare da wasu mutane a wani gefen duniya, raba tunani, ƙirƙira sabon abu. Intanet ta hada kan bil'adama. Tarihin haɓakawa shine tarihin haɓakar damar raba bayanai. Na farko, ta hanyar jawabai da waƙoƙin almara. Sa'an nan kuma - a kan wata harafi da ke ba da murya ga matattu, kuma suka jũya zuwa ga rayayye; Rubutun yana ba da damar adana bayanai kuma yana sa sadarwar asynchronous ta yiwu. Rubutun bugawa ya sanya samar da labarai akan rafi. Sadarwar lantarki - ta hanzarta canja wurin bayanai a duniya. Na'urorin daukar bayanan sirri sun zama masu rikitarwa sannu a hankali, suna tasowa daga litattafan rubutu zuwa wayoyin salula, kowannensu na'urar kwamfuta ce mai haɗin Intanet, cike da na'urori masu auna sigina kuma a kowace rana suna samun ci gaba wajen tsinkayar bukatunmu.

Mutumin da ke amfani da rubuce-rubuce da kwamfuta a cikin tsarin fahimta yana da mafi kyawun damar shawo kan iyakokin kwakwalwar da ba ta da kyau. Ko da ƙarin ƙarfafawa, wayoyin salula duka na'urorin ajiya ne masu ƙarfi da kuma hanyar musayar ra'ayi. Idan mutanen da suka gabata, raba tunani, sun dogara da maganganun da suka zana a cikin litattafan rubutu, a yau ya zama al'ada idan littattafan rubutu da kansu suna raba ra'ayoyin da mutane suka haifar. Tsarin gargajiya ya sami juyi. Ci gaba mai ma'ana na tsari shine wani nau'i na metacognition na gamayya, ta hanyar na'urori na sirri, har ma da haɗa kai sosai cikin kwakwalwarmu da alaka da juna. Kuma yayin da har yanzu muna iya zama abin sha'awa don dangantakarmu ta ɓace da yanayi da kadaitaka, yana da mahimmanci a tuna cewa fasaha, da fasaha kadai, ke da alhakin rabon zaki na 'yantar da mu daga tsarin "na halitta" na jahilci, mutuwa da wuri (wanda ba a sani ba). za a iya kauce masa), tashin hankali, yunwa, da zubewar hakori.

Ta yaya?

Bari mu yi magana game da ƙirar kasuwanci da gine-ginen aikin Starlink.

Don Starlink ya zama kamfani mai fa'ida, yawan kuɗin dole ne ya wuce kuɗin gini da aiki. A al'adance, jarin jari ya haɗa da haɓaka farashin farawa, amfani da nagartattun kudade na musamman da hanyoyin inshora, da komai don harba tauraron dan adam. Tauraron tauraron dan adam na sadarwa na geostationary zai iya kashe dala miliyan 500 kuma ya dauki shekaru biyar ana gini da harba shi. Don haka, kamfanoni a wannan yanki a lokaci guda suna kera jiragen ruwa na jet ko na kwantena. Kashewa mai yawa, yawan kuɗaɗen da ke ɗaukar nauyin kuɗi kaɗan, da ɗan ƙaramin kasafin aiki. Sabanin haka, rashin nasarar Iridium na asali shine Motorola ya tilasta wa ma'aikacin biyan kuɗin lasisin kisa, wanda ya lalata kasuwancin a cikin 'yan watanni.

Don gudanar da irin wannan kasuwancin, kamfanonin tauraron dan adam na gargajiya sun yi hidima ga abokan ciniki masu zaman kansu kuma suna cajin farashin bayanai masu yawa. Jiragen sama, wuraren da ke nesa, jiragen ruwa, wuraren yaƙi, da mahimman wuraren samar da ababen more rayuwa suna biyan kusan $5 akan kowane MB, wanda shine sau 1 farashin ADSL na gargajiya, duk da latency ɗin bayanai da ɗan ƙaramin bandwidth tauraron dan adam.

Starlink yana shirin yin gasa tare da masu ba da sabis na ƙasa, wanda ke nufin dole ne ya isar da bayanai mai rahusa kuma, a zahiri, cajin ƙasa da $ 1 akan 1 MB. Shin zai yiwu? Ko, tun da wannan yana yiwuwa, ya kamata a tambayi: ta yaya hakan zai yiwu?

Sinadarin farko na sabon tasa shine ƙaddamarwa mai arha. A yau, Falcon yana sayar da harba mai nauyin ton 24 akan kusan dala miliyan 60, wanda shine $2500 akan kowace kilogiram. Ya bayyana, duk da haka, cewa akwai ƙarin farashi na ciki. Za a harba tauraron dan adam na Starlink akan motocin harba da ake sake amfani da su, don haka kudin da ake kashewa na harba guda daya shine kudin sabon mataki na biyu (wani wurin kusan dala miliyan 1), fage (miliyan 4) da tallafin ƙasa (~ 1 miliyan). Jimlar: kimanin dala dubu 1 na tauraron dan adam, watau. fiye da sau 100 mai rahusa fiye da harba tauraron dan adam na sadarwa.

Yawancin tauraron dan adam na Starlink, duk da haka, za a harba su akan Starship. Lallai, juyin halitta na Starlink, kamar yadda aka sabunta rahotanni zuwa nunin FCC, yana ba da wasu ra'ayin yadda, kamar yadda aka aiwatar da ra'ayin Starship, da ciki gine na aikin. Adadin tauraron dan adam a cikin taurarin ya karu daga 1 zuwa 584, sannan zuwa 2, daga karshe ya kai 825. Bisa kididdigar da aka samu, adadin ya ma fi haka. Matsakaicin adadin tauraron dan adam don mataki na farko na ci gaba don aikin ya kasance mai aiki shine 7 a cikin 518 orbits (30 a duka), yayin da cikakken ɗaukar hoto a cikin digiri 000 na equator yana buƙatar 60 orbits na tauraron dan adam 6 (360 a duka). Wannan shine ƙaddamar da 53 don Falcon akan wasu dala miliyan 24 a cikin kashe kuɗi. A daya bangaren kuma, Starship an kera shi ne don harba tauraron dan adam har 60 a lokaci guda, akan farashi daya. Dole ne a maye gurbin tauraron dan adam na Starlink a kowace shekara 1440, don haka tauraron dan adam 24 zai buƙaci harba tauraron tauraron 150 a kowace shekara. Zai ci kusan miliyan 400 a kowace shekara, ko dubu 5 / tauraron dan adam. Kowane tauraron Falcon yana da nauyin kilogiram 6000; tauraron dan adam da aka ɗaga akan Starship zai iya yin nauyi kilogiram 15 kuma yana ɗaukar na'urori na ɓangare na uku, ya zama ɗan girma kuma har yanzu bai wuce nauyin da aka halatta ba.

Menene farashin tauraron dan adam? A cikin 'yan'uwa, tauraron dan adam Starlink yana da ɗan sabon abu. An tattara su, an adana su kuma an ƙaddamar da su lebur don haka suna da sauƙi na musamman don yawan amfanin ƙasa. Kamar yadda gwaninta ya nuna, farashin samarwa ya kamata kusan daidai da farashin mai ƙaddamarwa. Idan bambance-bambancen farashin ya yi girma, yana nufin ba a ware albarkatun daidai ba, tunda cikakken raguwar farashi mai rahusa yayin rage farashi bai yi girma ba. Shin da gaske ne dala dubu 100 akan kowane tauraron dan adam tare da rukunin farko na ɗari da yawa? Ma’ana, shin tauraron dan adam na Starlink a cikin na’ura bai fi na’ura hadadden abu ba?

Don cikakkiyar amsa wannan tambayar, kuna buƙatar fahimtar dalilin da yasa farashin tauraron dan adam mai kewayawa ya ninka sau 1000, koda kuwa bai sau 1000 ba. Don sanya shi a sauƙaƙe, me yasa kayan aikin sararin samaniya suke da tsada haka? Akwai dalilai da yawa game da hakan, amma abin da ya fi jan hankali a wannan yanayin shine: idan harba tauraron dan adam zuwa sararin samaniya (kafin Falcon) ya kashe sama da miliyan 100, dole ne a ba da tabbacin yin aiki na shekaru masu yawa - don kawo akalla wasu. riba. Don tabbatar da irin wannan amincin a cikin aiki na farko da samfurin kawai shine tsari mai raɗaɗi kuma yana iya ɗaukar shekaru, yana buƙatar ƙoƙarin ɗaruruwan mutane. Ƙara zuwa wancan farashin, kuma yana da sauƙi don tabbatar da ƙarin matakai lokacin da ya riga ya yi tsada don ƙaddamarwa.

Starlink ya karya wannan yanayin ta hanyar gina ɗaruruwan tauraron dan adam, da sauri gyara kurakuran ƙira da wuri, da kuma kawo ƙwararrun masana'antu don sarrafa farashi. Yana da sauƙi a gare ni da kaina in yi tunanin bututun Starlink inda mai fasaha ya haɗa wani sabon abu a cikin ƙira kuma yana ɗaure komai tare da taye na filastik (matakin NASA, ba shakka) a cikin sa'a ɗaya ko biyu, yana riƙe da canjin da ake buƙata na tauraron dan adam 16 / rana. Tauraron tauraron dan adam na Starlink yana kunshe da sassa daban-daban, amma ban ga dalilin da ya sa ba za a iya rage farashin naúrar dubu ɗaya daga layin taron zuwa dubu 20. Hakika, a watan Mayu, Elon ya rubuta a kan Twitter cewa farashin kera tauraron dan adam ya riga ya yi ƙasa da farashin harba .

Bari mu ɗauki matsakaicin shari'ar kuma mu bincika lokacin dawowa ta hanyar haɗa lambobin. Daya daga cikin tauraron dan adam na Starlink, wanda ke kashe kudi 100 don hadawa da harba shi, yana aiki tsawon shekaru 5. Shin zai biya kansa, kuma idan haka ne, yaushe?

A cikin shekaru 5, tauraron dan adam na Starlink zai kewaya duniya sau 30. A cikin kowane awa daya da rabi na wannan kewayawa, zai shafe mafi yawan lokaci a kan tekun kuma mai yiwuwa dakika 000 a cikin birni mai yawan jama'a. A wannan gajeriyar taga, yana watsa bayanai, cikin gaggawa don samun kuɗi. Tsammanin cewa eriya tana goyan bayan katako 100, kuma kowane katako yana watsa 100 Mbps, ta amfani da rufaffiyar zamani kamar 4096QAM, sannan tauraron dan adam yana samar da ribar $1000 a kowane orbit - a farashin biyan kuɗi na $1 akan 1 GB. Wannan ya isa ya biya $100 kudin turawa a cikin mako guda kuma yana sauƙaƙa tsarin babban birnin da yawa. Ragowar juyi 29 riba ce ban da tsayayyen farashi.

Ƙididdigar ƙididdiga na iya bambanta sosai, kuma a cikin sassan biyu. Amma a kowace harka, idan za ka iya sanya ingancin tauraron tauraron dan adam a cikin ƙananan kewayawa don 100 - ko ma na 000 miliyan / naúrar - wannan aikace-aikace ne mai mahimmanci. Ko da tare da ɗan gajeren lokacin amfani, tauraron dan adam na Starlink yana da ikon isar da 1 Pb na bayanai a tsawon rayuwarsa - akan farashin $30 akan kowane GB. A lokaci guda, lokacin da ake watsa tazara mai nisa, ƙarancin kuɗi a zahiri ba ya ƙaruwa.

Don fahimtar mahimmancin wannan ƙirar, bari mu hanzarta kwatanta shi da wasu nau'ikan nau'ikan nau'ikan guda biyu don isar da bayanai ga masu amfani da su: kebul na fiber optic na gargajiya, da kuma taurarin tauraron dan adam wanda kamfanin da bai kware a harba tauraron dan adam ke bayarwa ba.

SEA-WE-ME - babban kebul na intanet na karkashin ruwaAn fara aiki da haɗin gwiwar Faransa da Singapore a cikin 2005. Bandwidth - 1,28 Tb / s., Kudin tura aiki - $ 500 miliyan. Idan yana aiki a 10% iya aiki na shekaru 100, kuma yawan kuɗin da ake kashewa shine 100% na farashin babban birnin, to farashin canja wuri zai zama $ 0,02 da 1 GB. Kebul na Transatlantic sun fi guntu kuma suna da ɗan rahusa, amma kebul na karkashin ruwa abu ne kawai a cikin dogon layin mutanen da ke son kuɗi don canja wurin bayanai. Matsakaicin ƙididdigewa ga Starlink sau 8 mai rahusa ne, kuma a lokaci guda suna da "dukkan haɗin gwiwa".

Ta yaya hakan zai yiwu? Tauraron tauraron dan adam na Starlink ya hada da duk wani hadadden kayan canza wutan lantarki da ake bukata don hada igiyoyin fiber optic, kawai yana amfani da vacuum maimakon waya mai tsada da mara karfi don watsa bayanai. Watsawa sararin samaniya yana rage adadin jin daɗi da ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan kayan aiki.

Kwatankwacinsa da mai haɓaka tauraron dan adam OneWeb. OneWeb na shirin samar da taurarin dan adam 600, wanda zai harba ta hanyar dillalai na kasuwanci akan farashin kusan dala 20 akan kowace kilogiram daya. Nauyin tauraron dan adam daya ya kai kilogiram 000, watau, a yanayin da ya dace, harba na'ura daya zai kai kusan miliyan 1. An kiyasta kudin kayan aikin tauraron dan adam miliyan 150 akan kowane tauraron dan adam, watau. nan da shekarar 3, kudin da ake kashewa duka zai zama biliyan 1. Gwajin da OneWeb ya yi ya nuna yadda aka samu 2027 Mb/s. a kololuwa, da kyau, ga kowane katako 2,6. Bayan wannan tsarin da muka ƙididdige farashin Starlink, muna samun: kowane tauraron dan adam OneWeb yana samar da $ 50 a kowane orbit, kuma a cikin shekaru 16 kawai zai kawo $ 80 miliyan - da kyar ta rufe farashin ƙaddamarwa, idan kuma muka ƙidaya watsa bayanai zuwa nesa. yankuna . Gabaɗaya muna samun $ 5 akan 2,4 GB.

Kwanan nan aka jiyo Gwynn Shotwell yana cewa Ana zargin Starlink sau 17 mai rahusa da sauri fiye da OneWeb, wanda ke nuna farashin gasa na $0,10 kowace GB. Kuma wannan yana tare da ainihin tsarin Starlink: tare da ƙarancin ingantaccen samarwa, ƙaddamarwa akan Falcon da ƙuntatawa na canja wurin bayanai - kuma kawai tare da ɗaukar hoto na Arewacin Amurka. Ya bayyana cewa SpaceX yana da fa'idar da ba za a iya musantawa ba: a yau za su iya harba tauraron dan adam mafi dacewa akan farashi (kowace raka'a) sau 1 ƙasa da na masu fafatawa. Starship zai kara da gubar da maki 15, idan ba fiye, don haka ba wuya a yi tunanin SpaceX 100 tauraron dan adam a shekarar 2027 a kan kasa da dala biliyan 30, mafi yawan abin da zai samar daga cikin walat.

Na tabbata akwai ƙarin kyakkyawan nazari game da OneWeb da sauran masu haɓaka ƙungiyar taurari, amma ban san yadda suke aiki ba tukuna.

Kwanan nan Morgan Stanley lissaftaTauraron tauraron dan adam na Starlink zai kashe miliyan 1 don haɗuwa da 830 dubu don harba. Gwynn Shotwell, ya amsa da cewa: ya de "daukar irin wannan ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooyanyoyansisi ya amsa da cewa:. Abin mamaki, lambobin sun yi kama da lissafin mu na kashe kuɗi na OneWeb, kuma kusan sau 10 sama da ainihin ƙimar Starlink. Amfani da tauraron dan adam da kera tauraron dan adam na kasuwanci zai iya rage farashin tura tauraron dan adam zuwa kusan 35/raka'a. Kuma wannan ƙaramin adadi ne mai ban mamaki.

Batu na ƙarshe ya rage - don kwatanta ribar da 1 W na makamashin hasken rana da aka samar don Starlink. Kamar yadda Hotunan da ke shafinsu na yanar gizo suka nuna, kowace tauraron dan adam na hasken rana ya kai kimanin murabba'in 60. a matsakaita yana haifar da kusan 3 kW ko 4,5 kWh kowace juzu'i. An kiyasta cewa kowane kewayawa zai samar da $1000 kuma kowane tauraron dan adam zai samar da kusan $220 a kowace kWh. Wannan ya ninka sau 10 fiye da yawan farashin makamashin hasken rana, wanda ya sake tabbatarwa: fitar da makamashin hasken rana a sararin samaniya wani kamfani ne mara bege. Kuma injin na'ura mai kwakwalwa don watsa bayanai shine ƙarin tsadar gaske.

gine

A cikin sashin da ya gabata, na fi dacewa da gabatar da wani yanki mara mahimmanci na gine-ginen Starlink - yadda yake aiki tare da ƙarancin yawan al'ummar duniya. Tauraron tauraron dan adam na Starlink yana fitar da igiyoyi masu mayar da hankali waɗanda ke haifar da tabo a saman duniya. Masu biyan kuɗi a cikin wurin suna raba bandwidth guda ɗaya. An ƙaddara girman wurin ta hanyar ilimin kimiyyar asali: da farko faɗinsa shine (tsawon tauraron dan adam x tsayin microwave / diamita na eriya), wanda tauraron tauraron tauraron Starlink shine, a mafi kyawu, mil biyu.

A yawancin biranen, yawan jama'a ya kai kusan mutane 1000/kilomita 100, ko da yake a wasu wurare ya fi girma. A wasu yankuna na Tokyo ko Manhattan, ana iya samun mutane sama da 000 a kowane wuri. Abin farin ciki, duk irin wannan birni mai yawan jama'a yana da kasuwa mai gasa ta cikin gida don intanet, ba tare da ma'anar hanyar sadarwar wayar hannu ba. Amma ta yadda za a iya, idan a kowane lokaci akwai tauraron dan adam da yawa na taurari iri ɗaya a sama da birnin, ana iya ƙara yawan abin da ake samarwa ta hanyar karkatar da eriya ta sararin samaniya, da kuma ta hanyar rarraba mitoci. A wasu kalmomi, da dama na tauraron dan adam na iya mayar da hankali kan katako mafi karfi a lokaci guda, kuma masu amfani da su a yankin za su yi amfani da tashoshi na ƙasa wanda zai rarraba bukatar a tsakanin tauraron dan adam.

Idan a farkon matakan kasuwa mafi dacewa don siyar da sabis na nesa ne, ƙauye ko yankunan karkara, to, kuɗin don ƙarin ƙaddamarwa zai fito daga ingantattun ayyuka musamman zuwa biranen da ke da yawan jama'a. Halin yanayin shi ne ainihin akasin tsarin faɗaɗa kasuwa, wanda ba makawa sabis na gasa a cikin birni yana fama da raguwar riba yayin da suke ƙoƙarin faɗaɗa zuwa wurare masu talauci da ƙarancin jama'a.

Shekaru kadan da suka wuce lokacin da na yi lissafi, wannan shine mafi kyawun taswirar yawan jama'a.

Starlink babban abu ne

Na ɗauki bayanan daga wannan hoton kuma na tattara maki 3 a ƙasa. Na farko yana nuna mitar yanki ta yawan yawan jama'a. Abu mafi ban sha'awa shi ne cewa yawancin duniya ba a zaune ko kadan, yayin da kusan babu wani yanki da ke da fiye da mutane 100 a kowace murabba'in kilomita.

Starlink babban abu ne

Jaridu na biyu yana nuna mitar mutane ta yawan yawan jama'a. Kuma ko da yake mafi yawan duniyar nan ba kowa ba ne, yawancin mutane suna zaune a yankunan da akwai mutane 100-1000 a kowace murabba'in kilomita. Tsawancin yanayin wannan kololuwar (tsari mai girma) yana nuna rashin daidaituwa a cikin tsarin birane. 100 mutane/sq.km. - wannan yanki ne da ba a cika yawan jama'a ba, yayin da adadin mutane 1000 / murabba'in kilomita. halayyar unguwannin bayan gari. Cibiyoyin birni cikin sauƙi suna nuna mutane 10 / sq.km, amma yawan jama'ar Manhattan shine 000 mutane / sq.km.

Starlink babban abu ne

Jaridu na uku yana nuna yawan jama'a ta latitude. Ana iya ganin cewa kusan dukkanin mutane sun fi mayar da hankali a cikin kewayon daga 20-40 digiri na arewa latitude. Don haka, gabaɗaya, ya sami ci gaba a yanayin ƙasa da tarihi, tunda babban yanki na kudancin duniya yana mamaye da teku. Amma duk da haka wannan yawan yawan jama'a babban kalubale ne ga masu gine-ginen kungiyar, kamar tauraron dan adam suna ciyarwa daidai adadin lokaci a cikin sassan biyu. Haka kuma, tauraron dan adam da ke kewaya duniya, a kusurwar, a ce, digiri 50, zai yi karin lokaci kusa da iyakokin da aka nuna a latitude. Wannan shine dalilin da ya sa Starlink kawai yana buƙatar 6 orbits don yin hidima a arewacin Amurka, yayin da 24 don rufe ma'auni.

Starlink babban abu ne

Lallai, idan muka haɗa jadawali na yawan jama'a tare da jadawali na taurarin taurari, zaɓin kewayawa ya zama a bayyane. Kowane ginshiƙi na mashaya yana wakiltar ɗayan rahoton SpaceX huɗu zuwa FCC. Ni da kaina, a ganina kowane sabon rahoto kamar kari ne ga wanda ya gabata, amma a kowane hali, ba shi da wahala a ga yadda karin tauraron dan adam ke kara karfi a kan yankunan da suka dace a yankin arewa. Sabanin haka, akwai ban sha'awa adadin bandwidth da ba a yi amfani da su ba a kan kudancin kogin - yi murna, masoyi Ostiraliya!

Starlink babban abu ne

Menene zai faru da bayanan mai amfani lokacin da ya isa tauraron dan adam? A cikin sigar asali, tauraron dan adam na Starlink ya aika da su nan da nan zuwa wani tashar ƙasa da aka keɓe kusa da wuraren sabis. Ana kiran wannan tsarin "relay kai tsaye". A nan gaba, tauraron dan adam na Starlink za su iya sadarwa da juna ta hanyar Laser. Musayar bayanai za ta yi kololuwa a kan biranen da ke da yawan jama'a, amma ana iya rarraba bayanai ta hanyar hanyar sadarwa ta Laser ta fuskoki biyu. A aikace, wannan yana nufin cewa akwai babbar dama don ɓoye baya a cikin hanyar sadarwar tauraron dan adam, wato, ana iya "sake aikawa da bayanan mai amfani zuwa Duniya" a kowane wuri mai dacewa. A aikace, da alama a gare ni cewa za a haɗa tashoshin ƙasa na SpaceX da nodes musayar zirga-zirga wajen garuruwa.

Ya zama cewa sadarwar tauraron dan adam zuwa tauraron dan adam ba karamin aiki ba ne idan tauraron dan adam ba su yi tafiya tare ba. Rahotanni na baya-bayan nan ga rahoton FCC sun hada da kungiyoyi 11 na tauraron dan adam. A cikin rukunin da aka ba da, tauraron dan adam yana motsawa a tsayi iri ɗaya, a cikin niyya ɗaya, tare da haɓaka iri ɗaya, wanda ke nufin cewa lasers na iya samun tauraron dan adam a kusa da sauƙi. Amma ana auna saurin rufewa tsakanin ƙungiyoyi a cikin km/sec, don haka sadarwa tsakanin ƙungiyoyi, idan zai yiwu, yakamata ta kasance ta gajeriyar hanyoyin haɗin microwave da sauri.

Orbital rukunin topology kamar ka'idar barbashi na haske ne kuma baya amfani da misalinmu da gaske, amma ina tsammanin yana da kyau, don haka na haɗa shi a cikin labarin. Idan ba ku da sha'awar wannan sashe, tsallake kai tsaye zuwa "Iyakokin Physics na Asali".

Torus - ko donut - abu ne na lissafi wanda radiyo biyu suka siffanta. Abu ne mai sauqi a zana da'irori a saman torus: a layi daya ko daidai da siffarsa. Kuna iya samun abin ban sha'awa don gano cewa akwai wasu iyalai guda biyu na da'ira waɗanda za a iya zana su a saman torus, kuma duka biyu suna wucewa ta cikin rami a tsakiyarsa da kewayen kwandon. Wannan shi ne abin da ake kira. "Da'irori na Vallarso", kuma na yi amfani da wannan zane lokacin da na tsara toroid don Burning Man Tesla Coil a cikin 2015.

Kuma ko da yake kewayawar tauraron dan adam, a zahiri, ellipses ne, ba da'ira ba, ginin iri ɗaya ya shafi batun Starlink. Tauraron tauraron dan adam 4500 akan jirage masu saukar ungulu da dama, duk a kusurwa daya, suna samar da wani Layer mai ci gaba da tafiya sama da saman Duniya. Layer mai fuskantar arewa sama da wurin da aka bayar yana juyawa ya koma kudu. Don guje wa karo, za a ɗan ɗan yi tsayin daka, ta yadda yankin arewa mai motsi zai yi nisan kilomita da yawa (ko ƙasa) fiye da wanda ke tafiya kudu. Tare, waɗannan yadudduka guda biyu suna samar da torus mai siffa mai busa, kamar yadda aka nuna a ƙasa a cikin zane mai girman gaske.

Starlink babban abu ne

Bari in tunatar da ku cewa a cikin wannan torus, ana gudanar da sadarwa tsakanin tauraron dan adam makwabta. A cikin sharuddan gabaɗaya, babu haɗin kai tsaye da na dogon lokaci tsakanin tauraron dan adam a cikin yadudduka daban-daban, tunda ƙimar haɗin kai don jagorancin laser ya yi yawa. Halin watsa bayanai tsakanin yadudduka, bi da bi, yana wucewa sama ko ƙasa da torus.

Jimlar tauraron dan adam 30 za su kasance a cikin tori guda 000 masu nisa a bayan ISS orbit! Wannan zane yana nuna yadda duk waɗannan yadudduka suka cika, ba tare da ƙaranci ba.

Starlink babban abu ne

Starlink babban abu ne

Kuma a ƙarshe, ya kamata ku yi tunani game da mafi kyawun tsayin jirgin. Akwai matsala: ƙananan tsayi, wanda ke ba da ƙarin kayan aiki tare da ƙananan ƙananan katako, ko tsayi mai tsayi, wanda ke ba ka damar rufe dukan duniya tare da ƙananan tauraron dan adam? A tsawon lokaci, rahotanni zuwa FCC daga SpaceX sun yi magana game da mafi ƙasƙanci mafi ƙasƙanci yayin da Starship ke haɓaka don ba da damar tura manyan taurarin taurari da sauri.

Ƙananan tsayi kuma yana da wasu fa'idodi, gami da rage haɗarin tasirin tarkacen sararin samaniya ko mummunan tasirin gazawar kayan aiki. Sakamakon haɓakar yanayin yanayi, mafi ƙanƙanta tauraron dan adam na Starlink (kilomita 330) zai ƙare a cikin ƴan makonni na rasa ikon sarrafa hali. Hakika, nisan kilomita 300 wani tsayi ne wanda tauraron dan adam kusan ba zai taba tashi ba, kuma kiyaye tsayin zai bukaci ginanniyar injin roka na lantarki na Krypton, da kuma ingantaccen tsari. A bisa ka’ida, tauraron dan adam mai siffa mai kyau, wanda injin roka na lantarki ke amfani da shi, zai iya kiyaye tsayayyen tsayin kilomita 160, amma da wuya SpaceX ya harba tauraron dan adam da kasa, saboda har yanzu akwai wasu dabaru da aka tanada don kara yawan kayan aiki.

Iyaka na asali ilimin lissafi

Da alama ba zai yuwu ba farashin jigilar tauraron dan adam zai taɓa faɗi ƙasa da dala 35, ko da masana'anta sun ci gaba kuma suna sarrafa su gabaɗaya, kuma jiragen ruwa na Starship suna da cikakken sake amfani da su, kuma har yanzu ba a san cikakken abin da takunkumin kimiyyar lissafi zai sanyawa tauraron dan adam ba. Binciken da ke sama yana ɗaukar mafi girman kayan aiki na 80 Gb/s. (idan aka tattara har zuwa 100 katako, kowannensu yana iya watsa 100 Mb/s).

An saita iyakar bandwidth na tashar zuwa Shannon-Hartley theorem kuma an ba da shi a cikin ƙididdigar bandwidth (1+SNR). Bandwidth sau da yawa yana iyakance samuwa bakan, yayin da SNR shine samar da makamashin tauraron dan adam, hayaniyar baya da tsangwama ta tashar saboda gazawar eriya. Wani sanannen matsala shine saurin sarrafawa. Sabbin Xilinx Ultrascale+ FPGAs suna da GTM-serial kayan aiki har zuwa 58 Gb/s., wanda yake da kyau da aka ba da iyakokin bandwidth na yanzu ba tare da haɓaka ASICs na al'ada ba. Amma ko da a lokacin 58 GB / s. zai buƙaci rarraba mita mai ban sha'awa, mai yuwuwa a cikin Ka-band ko V-band. V (40-75 GHz) yana da ƙarin kewayon da za'a iya samun dama, amma yana fuskantar ƙarin sha ta yanayi, musamman a wuraren zafi mai zafi.

Shin haskoki 100 masu amfani ne? Wannan matsalar tana da bangarori biyu: nisa na katako da kuma yawan abubuwan tsararru. An ƙayyade nisa ta hanyar raƙuman raƙuman raƙuman ruwa da aka raba ta hanyar diamita na eriya. Eriyar tsararru na dijital har yanzu fasaha ce ta musamman, amma matsakaicin girman da za a iya amfani da shi ana ƙaddara ta hanyar faɗin reflow tanda (kimanin 1m), kuma amfani da sadarwar mitar rediyo ya fi tsada. Girman kalaman a cikin Ka-band yana da kusan 1 cm, yayin da nisa ya kamata ya zama 0,01 radians - tare da nisa bakan na 50% na amplitude. Tsammanin ingantacciyar kusurwar sitiriya 1 (mai kama da ɗaukar ruwan tabarau na kyamarar 50mm), to 2500 guda ɗaya zai isa a wannan yanki. Linearity yana nuna cewa katako 2500 zasu buƙaci mafi ƙarancin abubuwan eriya 2500 a cikin tsararrun, wanda ke da yuwuwar yuwuwa, kodayake yana da wahala. Kuma duk zai yi zafi sosai!

A total of 2500 tashoshi, wanda kowanne daga abin da goyon bayan 58 Gb / s, shi ne babban adadin bayanai - idan wajen, sa'an nan 145 Tb / s. Don kwatanta, duk zirga-zirgar Intanet a cikin 2020 ana tsammanin a matsakaita na 640 Tb/s. Labari mai daɗi ga waɗanda suka damu game da ƙarancin bandwidth na intanet na tauraron dan adam. Idan tauraron tauraron dan adam 30 ya fara aiki nan da 000, zirga-zirgar Intanet a duniya zai iya kaiwa Tb/s 2026. Idan rabin wannan ana isar da su ta hanyar ~ 800 tauraron dan adam a kan wuraren da ke da yawan jama'a a kowane lokaci, to mafi girman abin da ake samu a kowane tauraron dan adam ya kai kusan 500 Gb/s, wanda ya ninka sau 800 sama da kiyasin mu na asali, watau e. shigowar kudi mai yuwuwar girma sau 10.

Don tauraron dan adam a cikin sararin samaniya mai tsawon kilomita 330, hasken radiyon 0,01 ya mamaye wani yanki mai girman murabba'in kilomita 10. A musamman wuraren da jama'a ke da yawa kamar Manhattan, kusan mutane 300 ne ke zaune a wannan yanki. Menene idan duk sun zauna don kallon Netflix (000 Mbps a cikin ingancin HD) a lokaci guda? Jimlar buƙatun bayanai zai zama 7 GB/s, wanda shine kusan sau 2000 na ƙaƙƙarfan ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwan da FPGA ke fitarwa. Akwai hanyoyi guda biyu daga cikin wannan yanayin, wanda daya ne kawai zai yiwu a jiki.

Na farko shi ne sanya ƙarin tauraron dan adam a cikin kewayawa, ta yadda a kowane lokaci fiye da guda 35 sun rataye a kan wuraren da ake buƙata. Idan muka sake daukar 1 steradian ga wani m addressable yankin sararin sama da wani talakawan orbital tsawo na 400 km, za mu sami wani constellation yawa na 0,0002 / sq km, ko 100 a total - idan an rarraba su daidai a kan dukan surface. na duniya. Ka tuna cewa zaɓaɓɓen sararin samaniya na SpaceX yana ƙaruwa da ɗaukar hoto a kan wuraren da ke da yawan jama'a tsakanin digiri 000-20 na arewa, kuma yanzu adadin tauraron dan adam 40 yana da alama sihiri.

Tunani na biyu ya fi sanyaya, amma, abin baƙin ciki, ba za a iya ganewa ba. Ka tuna cewa an ƙayyade nisa ta hanyar nisa na tsararrun eriya mai ɓarna. Me zai faru idan da yawa da yawa akan tauraron dan adam sun haɗu da iko, suna ƙirƙirar katako mai kunkuntar - kamar na'urar hangen nesa na rediyo iri ɗaya. VLA (tsarin eriya mai girma sosai)? Wannan hanya ta zo tare da rikitarwa guda ɗaya: tushen tsakanin tauraron dan adam zai buƙaci ƙididdigewa a hankali - tare da daidaiton ƙananan millimeters - don daidaita lokacin katako. Kuma ko da hakan zai yiwu, da ƙuri'ar da za ta haifar ba zai kasance da wuya ya ƙunshi sassan gefe ba, saboda ƙarancin ƙarancin tauraron tauraron dan adam a sararin samaniya. A ƙasa, faɗin katako zai ragu zuwa ƴan milimita (isasshen gano eriyar wayar salula), amma za a sami miliyoyinsu saboda raunin tsaka-tsaki. na gode la'anar siraran eriya.

Ya zama cewa rabuwar tashoshi ta hanyar rabuwar kusurwa-saboda tauraron dan adam yana da sararin samaniya - yana ba da ingantaccen ingantaccen kayan aiki ba tare da keta dokokin kimiyyar lissafi ba.

Aikace-aikacen

Menene bayanin martabar abokin ciniki na Starlink? Ta hanyar tsoho, waɗannan ɗaruruwan miliyoyin masu amfani ne waɗanda ke da eriya mai girman akwatin pizza akan rufin rufin su, amma akwai wasu hanyoyin samun kuɗi mai yawa.

A yankuna masu nisa da na karkara, tashoshin ƙasa basa buƙatar eriya mai tsauri don ƙara girman katako, don haka ana iya amfani da ƙananan kayan aikin mai amfani, daga masu sa ido kan kadarorin IoT zuwa wayoyin tauraron dan adam aljihu, tashoshi na gaggawa ko na'urorin bin diddigin dabbobi na kimiyya.

A cikin manyan mahalli na birni, Starlink zai samar da na farko da madogara ga hanyar sadarwar salula. Kowace hasumiya ta salula na iya samun babban tashar ƙasa a saman, amma yi amfani da kayan wuta na ƙasa don haɓakawa da watsawa a tsawon mil na ƙarshe.

Kuma a ƙarshe, ko da a cikin wuraren da cunkoson jama'a a lokacin fitowar farko, akwai yuwuwar yin amfani da tauraron dan adam mara ƙarfi tare da ɗan jinkiri na musamman. Kamfanonin kuɗi da kansu suna saka kuɗi da yawa a hannunku - kaɗan kaɗan don samun mahimman bayanai daga ko'ina cikin duniya. Kuma ko da yake bayanan ta hanyar Starlink za su sami hanya mai tsawo fiye da yadda aka saba - ta sararin samaniya - saurin yaduwar haske a cikin vacuum yana da 50% sama da gilashin quartz, kuma wannan fiye da biya don bambancin lokacin watsawa a cikin nesa mai nisa.

Sakamako mara kyau

Sashe na ƙarshe ya keɓe ga mummunan sakamako. Manufar labarin shine don kawar da ku daga rashin fahimta game da aikin, da kuma mummunan sakamako na rikice-rikice yana haifar da mafi girma. Zan ba da wasu bayanai, na dena fassarar da ba dole ba. Har yanzu ni ba clairvoyant ba ne, kuma ba ni da masu ciki daga SpaceX ko dai.

Mafi yawa, a ganina, mafi munin sakamako shine ƙara samun damar shiga Intanet. Ko a garina na Pasadena, birni mai cike da cunkoso da fasaha mai yawan jama'a sama da miliyan ɗaya, gida ga masu lura da al'amura da dama, jami'a mai daraja ta duniya, da kuma babbar cibiyar NASA, zaɓi yana da iyaka idan ya zo ga ayyukan intanet. A duk faɗin Amurka da sauran ƙasashen duniya, Intanet ya zama sabis na neman haya, tare da ISPs kawai suna fitar da dala miliyan 50 a kowane wata a cikin yanayi mai daɗi, ba gasa ba. Wataƙila, duk wani sabis da ake bayarwa ga gidaje da gine-ginen gida ne na gamayya, amma ingancin sabis ɗin Intanet bai kai ko da ruwa, wutar lantarki ko gas ba.

Matsalar halin da ake ciki ita ce, ba kamar ruwa, wutar lantarki ko gas ba, Intanet har yanzu matashi ne kuma yana haɓaka cikin sauri. Kullum muna neman sabbin amfani da shi. Mafi yawan juyin juya hali har yanzu ba a buɗe ba, amma tsare-tsaren kunshin suna hana yuwuwar gasa da ƙirƙira. An bar biliyoyin mutane a baya juyin juya halin dijital saboda yanayin haihuwa, ko kuma saboda kasarsu ta yi nisa da babbar igiyar ruwa ta karkashin ruwa. A cikin manyan yankuna na duniya, har yanzu ana isar da Intanet ta hanyar tauraron dan adam na geostationary, akan farashi mai yawa.

Starlink, a gefe guda, ci gaba da rarraba Intanet daga sama, ya keta wannan ƙirar. Har yanzu ban san wata hanya mafi kyau don haɗa biliyoyin mutane zuwa intanit ba. SpaceX yana kan hanyarta ta zama ISP kuma mai yuwuwa kamfanin intanet wanda ke hamayya da Google da Facebook. Na ce ba ku yi tunanin hakan ba.

Wannan intanet ɗin tauraron dan adam shine mafi kyawun zaɓi ba a bayyane yake ba. SpaceX, kuma SpaceX ne kawai, na iya yin gaggawar haifar da tarin taurarin dan adam wanda shi kadai ya kashe shekaru goma don karya kamun ludayin gwamnati da sojoji na harba kumbo. Ko da Iridium zai fitar da wayoyin salula da kashi goma, har yanzu ba zai samu karbuwa sosai ta hanyar amfani da na'urorin harba na gargajiya ba. Idan ba tare da SpaceX da samfurin kasuwanci na musamman ba, daman yana da yawa cewa intanet ɗin tauraron dan adam na duniya ba zai taɓa faruwa ba.

Babban rauni na biyu zai zo ga ilimin taurari. Bayan harba tauraron dan adam 60 na farko na Starlink, an yi ta suka daga kasashen duniya masu fafutuka, suna masu cewa karuwar yawan tauraron dan adam zai toshe hanyoyin shiga sararin samaniyar dare. Akwai wata magana: A cikin masana ilmin taurari, shi mai sanyaya ne wanda yake da babban na'urar hangen nesa. Ba tare da wuce gona da iri ba, yin ilimin taurari a wannan zamani aiki ne mai matuƙar wahala, wanda ke tuno da ci gaba da gwagwarmayar da ake yi na inganta ingancin bincike dangane da yanayin haɓakar gurɓataccen haske da sauran hanyoyin hayaniya.

Abu na ƙarshe da masanin falaki ke buƙata shi ne dubban tauraron dan adam masu haske da ke haskakawa a cikin na'urar hangen nesa. Lallai, ƙungiyar taurarin Iridium ta asali ta yi suna don samun '' furanni '' saboda manyan fafutuka da ke nuna hasken rana a kan ƙananan yankuna na duniya. Ya faru da cewa sun kai hasken rubu'in Wata kuma wani lokaci ma ba da gangan suka lalata na'urori masu akida ba. Tsoron cewa Starlink zai mamaye tashoshin rediyon da ake amfani da su a ilimin taurari na rediyo shima ba shi da tushe.

Idan ka zazzage aikace-aikacen sa ido kan tauraron dan adam, za ka iya ganin dumbin tauraron dan adam suna shawagi a sararin sama da maraice maraice. Ana iya ganin tauraron dan adam bayan faduwar rana da kuma kafin fitowar alfijir, amma sai lokacin da hasken rana ya haskaka su. Daga baya, a cikin dare, tauraron dan adam ba a iya gani a inuwar duniya. Ƙananan, masu nisa sosai, suna tafiya da sauri. Akwai yuwuwar su rufe tauraro mai nisa a kasa da daƙiƙa ɗaya, amma ina ganin ko gano wannan shine ƙarin basir.

An haifar da tsananin damuwa game da walƙiyar sararin samaniya daga gaskiyar cewa Layer na tauraron dan adam na farko an jera shi kusa da tashar duniya, watau. dare bayan dare, Turai - kuma lokacin bazara - yana kallon almara hoton tauraron dan adam da ke shawagi a cikin sararin samaniya da maraice. Bugu da ari, kwaikwaiyo bisa rahotanni na FCC sun nuna cewa tauraron dan adam a cikin kilomita 1150 za a iya gani ko da bayan faɗuwar sararin samaniya. Gabaɗaya, faɗuwar rana yana tafiya ta matakai uku: farar hula, ruwa da kuma ilmin taurari, watau. lokacin da rana ta kasance 6, 12 da 18 digiri a ƙasa da sararin sama bi da bi. A ƙarshen faɗuwar faɗuwar rana, hasken rana yana da nisan kilomita 650 daga saman saman a zenith, da kyau a waje da yanayi da mafi ƙarancin sararin samaniya. Dangane da bayanai daga Gidan yanar gizon Starlink, Na yi imanin cewa duk tauraron dan adam za a sanya shi a wani tsayin da ke ƙasa da kilomita 600. A wannan yanayin, ana iya ganin su da tsakar rana, amma ba bayan dare ba, wanda zai rage tasirin da zai iya haifar da ilimin taurari.

Matsala ta uku ita ce tarkace a sararin samaniya. IN post na baya Na yi nuni da cewa tauraron dan adam da tarkace da ke kasa da kilomita 600 za su gushe a cikin ’yan shekaru kadan saboda ja-in-ja, wanda zai rage yiwuwar kamuwa da cutar Kessler. SpaceX yana yamutsa da datti kamar basu damu da tarar sararin samaniya kwata-kwata. Anan ina kallon cikakkun bayanai game da aiwatar da Starlink, kuma yana da wahala a gare ni in iya tunanin hanya mafi kyau don rage yawan tarkace a cikin orbit.

An harba tauraron dan adam zuwa tsayin kilomita 350, sannan su tashi a kan injunan da aka gina su zuwa sararin da suke so. Duk wani tauraron dan adam da ya mutu yayin harbawa zai fita daga sararin samaniya nan da ‘yan makonni, kuma ba zai yi ta yawo a wani wuri ba tsawon dubban shekaru. Wannan jeri bisa dabara ya ƙunshi gwaji don shigarwa kyauta. Bugu da ari, tauraron dan adam na Starlink yana da lebur a cikin sassan giciye, wanda ke nufin cewa ta hanyar rasa ikon sarrafa tsayi, suna shiga cikin yadudduka masu yawa na yanayi.

Mutane kalilan ne suka san cewa SpaceX ta zama majagaba a cikin 'yan sama jannati, inda ta fara amfani da wasu nau'ikan hawa sama maimakon squibs. Kusan duk fakitin harbawa suna amfani da squibs lokacin tura matakai, tauraron dan adam, radomes, da sauransu, suna kara yuwuwar tarkace. SpaceX kuma da gangan yana lalata matakan sama, yana hana su rataye a sararin samaniya har abada, ta yadda ba za su rube da wargajewa a cikin matsanancin yanayi na sararin samaniya ba.

A ƙarshe, batu na ƙarshe da zan ambata shi ne damar SpaceX ta maye gurbin da ake amfani da shi na Intanet ta hanyar ƙirƙirar nasa. A cikin mafi kyawun sa, SpaceX ya riga ya mallaki harba. Bukatar gwamnatocin da ke gaba da juna na samun tabbacin samun damar shiga sararin samaniya ne kawai ke hana rusa rokoki masu tsada da kuma wadanda ba a gama amfani da su ba, wadanda galibin manyan ‘yan kwangilar tsaro ne ke hada su.

Ba shi da wahala a yi tunanin SpaceX na harba tauraron dan adam 2030 a shekara a cikin 6000, tare da wasu tauraron dan adam na leken asiri don kyakkyawan ma'auni. Tauraron tauraron dan adam SpaceX mai arha kuma abin dogaro za su sayar da "sararin samaniya" don na'urori na ɓangare na uku. Duk jami'ar da ta kera kyamarar sararin samaniya za ta iya sanya ta cikin kewayawa ba tare da ta biya kudin gina sararin samaniya gaba daya ba. Tare da irin wannan ci gaba da samun dama ga sararin samaniya, Starlink ya riga ya haɗa da tauraron dan adam, yayin da masana'antun tarihi ke zama abin da ya wuce.

Akwai misalai a cikin tarihin kamfanoni masu hangen nesa da suka mamaye irin wannan babbar kasuwa ta yadda sunayensu ya zama sunayen gida: Hoover, Westinghouse, Kleenex, Google, Frisbee, Xerox, Kodak, Motorola, IBM.

Matsalolin na iya tasowa lokacin da kamfani na majagaba ya shiga ayyukan da ba su dace ba don ya ci gaba da kasancewa a kasuwa, kodayake ana barin hakan sau da yawa tun lokacin Shugaba Reagan. SpaceX na iya kiyaye ikon Starlink ta hanyar tilasta wa sauran masu haɓaka taurari harba tauraron dan adam akan rokoki na Soviet na yau da kullun. Makamantan ayyukan da aka yi United Aircraft and Transport Company, haɗe da ƙayyadaddun farashi don jigilar wasiku, ya kai ga rugujewa a 1934. Abin farin ciki, SpaceX ba shi yiwuwa ya ci gaba da kasancewa da cikakken ikon mallakar rokoki da za a sake amfani da su har abada.

Wani abin da ya fi damun kai shi ne yadda SpaceX ta tura dubun dubatar tauraron dan adam mara nauyi za a iya tsara shi azaman zaɓi na gama gari. Kamfani mai zaman kansa, yana neman riba ta kashin kansa, yana karɓar mallakar dindindin na dindindin na jama'a da mukamai na orbital waɗanda ba a taɓa yin su ba. Kuma yayin da sabbin fasahohin SpaceX suka ba da damar samun kuɗi a zahiri a sarari, yawancin ɓangarorin fasaha na SpaceX an gina su da biliyoyin daloli a cikin kasafin kuɗi na bincike.

A gefe guda, muna buƙatar dokokin da za su kare hanyoyin zuba jari, bincike da ci gaba. Idan ba tare da wannan kariya ba, masu ƙirƙira ba za su iya ba da gudummawar kyawawan ayyuka ba, ko kuma su matsar da kamfanoninsu zuwa inda aka ba su irin wannan kariya. Ko ta yaya, jama'a na shan wahala saboda ba a samun riba. A daya bangaren kuma, ana bukatar dokokin da za su kare jama’a, wadanda suka mallaki dukiyar jama’a ciki har da sama, daga kamfanoni masu zaman kansu na neman hayar da ke hade kayayyakin jama’a. A cikin kanta, ba gaskiya ba ne ko ma mai yiwuwa. Ci gaban SpaceX yana ba da damar samun matsakaicin farin ciki a wannan sabuwar kasuwa. Za mu gane cewa an samo shi ne lokacin da muka haɓaka yawan sababbin abubuwa da samar da jin dadin jama'a.

Tunani Na Karshe

Na rubuta wannan labarin da zarar na kammala wani - game da Starship. Ya kasance mako mai zafi. Dukansu Starship da Starlink fasaha ne na juyin juya hali waɗanda ake ƙirƙira a gaban idanunmu, a cikin rayuwarmu. Idan na ga jikoki na sun girma, za su yi mamakin cewa na girmi Starlink, kuma ba wai a lokacin ƙuruciyata ba a sami salon salula (gaɓar kayan tarihi) ko Intanet na jama'a kowace rana.

Attajirai da sojoji sun daɗe suna amfani da intanet na tauraron dan adam, amma a ko'ina, gama gari, da arha Starlink ba zai yiwu ba sai da Starship.

An yi magana game da ƙaddamarwa na dogon lokaci, amma Starship, wanda yake da arha kuma saboda haka dandamali mai ban sha'awa, ba zai yiwu ba ba tare da Starlink ba.

An daɗe ana magana game da 'yan sama jannati, kuma idan kun - matukin jirgi mai saukar ungulu na jet, kuma a lokaci guda wani likitan neurosurgento kana da koren haske. Tare da Starship da Starlink, binciken sararin samaniya na ɗan adam abu ne mai yuwuwa, a nan gaba, tare da jifan dutse daga mashigin sararin samaniya zuwa biranen masana'antu a cikin sararin samaniya mai zurfi.

source: www.habr.com

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