50 let nazad: planeta Yuriya
12.04.2011 | Astronomicheskaya kartinka dnya

12 aprelya 1961 goda sovetskii kosmonavt Yurii Alekseevich Gagarin stal pervym chelovekom v kosmose. Kosmicheskii korabl' Vostok-1, upravlyaemyi s Zemli, podnyal ego na vysotu 200 mil' i prones po orbite odin raz vokrug Zemli. Kommentiruya pervyi v mire vid iz kosmosa, Yurii soobshil: "Nebo ochen' i ochen' temnoe, a Zemlya golubovataya.

Radio-dzhety Centavra
13.04.2011 | Astronomicheskaya kartinka dnya

Chto, esli by my mogli videt' radio-dzhety ot istochnika Centavr A? Radio vybrosy ot istochnika Cen A ne tol'ko prostirayutsya bolee chem na million svetovyh let v dlinu, oni pri etom zanimayut na nebe oblast', v dva raza bol'shuyu, chem razmer polnoi Luny. Dzhety vybrasyvayutsya ogromnoi chernoi dyroi, massa kotoroi prevyshaet solnechnuyu v milliony raz.