Astronomicheskaya kartinka dnya (APOD)

za yanvar' 2018 goda.

Solnechnoe galo nad Shveciei
1.01.2018 | Astronomicheskaya kartinka dnya

Chto sluchilos' s Solncem? Inogda kazhetsya, chto my smotrim na Solnce skvoz' bol'shuyu linzu. No v pokazannom zdes' sluchae na samom dele prisutstvovali milliony linz: kristally l'da. Kogda voda zamerzaet v verhnih sloyah atmosfery, mogut formirovat'sya malen'kie ploskie shestigrannye ledyanye kristally. Kogda eti kristally padayut vniz, bol'shuyu chast' vremeni ih ploskie poverhnosti raspolozheny parallel'no zemle.