Solnechnoe galo nad Yutoi
11.04.2006 | Astronomicheskaya kartinka dnya

Videli li vy galo vokrug Solnca? Eto dovol'no rasprostranennoe yavlenie proishodit, kogda vysokie tonkie oblaka, soderzhashie milliony malen'kih ledyanyh kristallov, pokryvayut bol'shuyu chast' neba. Kazhdyi ledyanoi kristall deistvuet kak miniatyurnaya linza. Tak kak bol'shinstvo kristallov imeyut formu udlinennyh shestiugol'nikov, svet, vhodyashii v odnu gran' kristalla i vyhodyashii cherez protivopolozhnuyu, prelomlyaetsya na 22 gradusa.