2 aprelya - 390 let so dnya rozhdeniya Franchesko Grimal'di
2.04.2008 1:45 | N.T. Ashimbaeva/GAISh, Moskva

2 aprelya 1618 goda rodilsya ital'yanskii uchenyi Franchesko Mariya Grimal'di, otkryvshii yavlenie difrakcii sveta, sostavivshii pervuyu kartu Luny.

Sharovoe skoplenie M55: vid v teleskop CFHT
2.04.2008 | Astronomicheskaya kartinka dnya

Pyat'desyat pyatyi ob'ekt v kataloge Sharlya Mess'e - M55 - eto bol'shoe, krasivoe sharovoe skoplenie, v kotorom pochti sto tysyach zvezd. Ono raspolozheno v sozvezdii Strel'ca na rasstoyanii vsego v 20 tysyach svetovyh let, i dlya nablyudatelei na Zemle ego vidimyi razmer sostavlyaet primerno 2/3 razmera polnoi Luny.