Poyasnenie: Sfericheskii radioteleskop s pyatisotmetrovoi aperturoi (The Five-hundred-meter Aperture Spherical Telescope — FAST) raspolozhilsya v estestvennom uglublenii v udalennoi gornoi provincii Guichzhou, raspolozhennoi na yugo-zapade Kitaya. Novyi radioteleskop, poluchivshii prozvishe T'yan'yan ili Nebesnoe Oko, pokazan na segodnyashnei fotografii, sdelannoi vo vremya testovyh vklyuchenii 25 sentyabrya etogo goda. Ego ogromnaya antenna-tarelka s aktivnoi poverhnost'yu skonstruirovana iz 4 450 otdel'nyh podvizhnyh elementov, razrabotannyh dlya tochnogo navedeniya i fokusirovki. Diametr tarelki sostavlyaet 500 metrov, chto delaet FAST samym bol'shim na planete Zemlya radioteleskopom s cel'nym zerkalom. FAST budet issledovat' Vselennuyu na radio-chastotah, registriruya izluchenie vodoroda v Mlechnom Puti i dalekih galaktikah, otkryvaya slabye galaktiki i vnegalakticheskie pul'sary, a takzhe pytayas' poimat' vozmozhnye radio-signaly ot vnezemnyh civilizacii.

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