Ravnodenstvie: ot solncestoyaniya do solncestoyaniya
23.09.2012 | Astronomicheskaya kartinka dnya

Vchera bylo ravnodenstvie – den' byl raven nochi. Segodnya i kazhdyi den' do sleduyushego ravnodenstviya, noch' budet dlinnee dnya v severnom polusharii Zemli i den' budet dlinnee nochi v yuzhnom polusharii. Ravnodenstvie nastupaet poseredine mezhdu dvumya solncestoyaniyami, kogda razlichie v dline dnya i nochi maksimal'no.

Vechernyaya Astronomicheskaya Shkola pri GAISh MGU i AO
23.09.2012 13:05 | Astronet

Zaochnaya Astronomicheskaya Shkola na baze Centra Distancionnogo Obrazovaniya MGU – sovmestnyi proekt Gosudarstvennogo Astronomicheskogo instituta im.P.K.Shternberga, Astronomicheskogo Obshestva i pedagogov, prepodayushih astronomiyu shkol'nikam – otkrylas' v 2012 godu. Cel' shkoly – predostavit' vozmozhnost' izucheniya astronomii cherez internet tem shkol'nikam, kotorye ne mogut zanimat'sya ei ochno, v kruzhkah i fakul'tativah.

NGC 2736: tumannost' Karandash
24.09.2012 | Astronomicheskaya kartinka dnya

Eta udarnaya volna borozdit kosmicheskoe prostranstvo so skorost'yu bolee 500 tysyach kilometrov v chas. Ona dvizhetsya sverhu vniz na etoi krasivoi podrobnoi sostavnoi kartinke. Tonkie perepletennye volokna – eto na samom dele dlinnye volny v sloe svetyashegosya gaza, kotoryi my vidim pochti s rebra. Tumannost' zanesena v katalog kak NGC 2736.