UBig Brother undizela emkhathini
Ngenkathi uMongameli uTrump ebhala kuTwitter isithombe se-Imam Khomeini National Space Center e-Iran ngo-Agasti (1), abaningi bahlabeke umxhwele ngokulungiswa okuphezulu kwezithombe. Lapho befunda izici zabo, ochwepheshe baphethe ngokuthi bavela kusathelayithi eyimfihlo kakhulu i-US 224, eyethulwe ngo-2011 yi-National Reconnaissance Agency futhi ibhekwa njengengxenye yohlelo lwe-KH-11 lwezigidigidi zamadola.
Kubonakala sengathi amasathelayithi ezempi esimanje awasenayo inkinga yokufunda amapuleti ezinombolo kanye nokubona abantu. Izithombe zesathelayithi zezentengiso nazo zithuthuke ngokushesha ezikhathini zamuva nje, ngamasathelayithi okubuka umhlaba angaphezu kuka-750 okwamanje ajikelezayo, futhi ukulungiswa kwesithombe kuyathuthuka kancane kancane.
Ochwepheshe sebeqala ukucabanga ngemithelela yesikhathi eside yokulandelela umhlaba wethu ngokulungiswa okuphezulu kangaka, ikakhulukazi uma kuziwa ekuvikeleni ubumfihlo.
Kunjalo, ama-drones angakwazi kakade ukuqoqa izithombe kangcono kunamasathelayithi. Kodwa ezindaweni eziningi ama-drones awavunyelwe ukundiza. Ayikho imikhawulo enjalo emkhathini.
Isivumelwano Somkhathi, eyasayinwa ngo-1967 yi-United States, iSoviet Union kanye nenqwaba yamazwe angamalungu e-UN, inikeza wonke amazwe ukufinyelela kwamahhala endaweni engaphandle komhlaba, futhi izivumelwano ezalandela zokuzwa okukude zahlanganisa isimiso "sokuvula isibhakabhaka". Ngesikhathi seMpi Yomshoshaphansi, lokhu kwakuba nengqondo ngoba kwavumela imibuso emikhulu ukuba inhloli kwamanye amazwe ukuze ibone ukuthi ibambelele yini ezindabeni zezikhali. Nokho, lesi sivumelwano asizange sinikeze ukuthi ngolunye usuku cishe noma ubani uzokwazi ukuthola isithombe esinemininingwane cishe nganoma iyiphi indawo.
Ochwepheshe bakholelwa ukuthi izithombe zikaFr. ukulungiswa 0,20 m noma okungcono - akukubi kakhulu kunamasathelayithi ezempi ase-US aphezulu. Kulinganiselwa ukuthi izithombe ezingenhla ze-Khomeini Space Centre zinesixazululo esingamamitha angu-0,10. Emkhakheni wesathelayithi yabantu abavamile, lokhu kungase kube inkambiso phakathi neminyaka eyishumi.
Ngaphezu kwalokho, isithombe kungenzeka siqhubeke "siphila". Ngo-2021, inkampani yasemkhathini i-Maxar Technologies izokwazi ukuthatha izithombe zendawo efanayo njalo ngemizuzu engama-20 ngenxa yenethiwekhi eminyene yamasathelayithi amancane.
Akunzima kangako ukucabanga ngenethiwekhi yenhloli yesathelayithi engabonakali engasithathi nje kuphela izithombe, kodwa futhi “yenza” amafilimu ngokubamba kwethu iqhaza.
Eqinisweni, umqondo wokurekhoda ividiyo ebukhoma usuka emkhathini usuvele usetshenzisiwe. Ngo-2014, isiqalo se-Silicon Valley esibizwa nge-SkyBox (kamuva esaqanjwa kabusha ngokuthi i-Terra Bella futhi sathengwa i-Google) saqala ukuqopha amavidiyo e-HD afika kumasekhondi angu-90 ubude. Namuhla, i-EarthNow ithi izohlinzeka "ngokuqapha okuqhubekayo kwesikhathi sangempela...ngaphandle kokubambezeleka kwesekhondi elilodwa," nakuba izibukeli eziningi zikungabaza ukusebenza kwayo noma nini maduze.
Izinkampani ezithintekayo ebhizinisini lesathelayithi ziqinisekisa ukuthi akukho lutho okufanele lwesabe.
I-Planet Labs, esebenzisa inethiwekhi yamasathelayithi okubuka angama-140, ichaza encwadini eya kuwebhusayithi ye-MIT Technology Review.
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Iphinde ithi amanethiwekhi okuqapha ngesathelayithi asebenza ngezinjongo ezinhle nezinhle. Ngokwesibonelo, baqapha igagasi eliqhubekayo lokusha kwehlathi e-Australia, basize abalimi baqophe imijikelezo yokukhula kwezitshalo, izazi zokwakheka komhlaba ziqonde kangcono ukwakheka kwamadwala, futhi izinhlangano zamalungelo abantu zilandelele ukunyakaza kwababaleki.
Amanye amasathelayithi avumela izazi zezulu ukuthi zibikezele ngokunembile isimo sezulu futhi zigcine amafoni namathelevishini ethu esebenza.
Kodwa-ke, imithetho yokulungiswa okwamukelekayo kwezithombe zokugadwa kwamavidiyo entengiso iyashintsha. Ku-2014, i-US National Oceanic and Atmospheric Administration (NOAA) yakhulula umkhawulo kusuka ku-50 cm kuya ku-25 cm. Njengoba ukuncintisana kwezinkampani zamazwe ngamazwe ze-satellite zanda, lo mthethonqubo uzobhekana nengcindezi eyengeziwe evela embonini, ezoqhubeka nokunciphisa imingcele yokuxazulula. Bambalwa abakungabazayo lokhu.
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