Anemichnaya galaktika NGC 4921
9.02.2009 | Astronomicheskaya kartinka dnya

Kak daleko nahoditsya spiral'naya galaktika NGC 4921? V nastoyashee vremya schitaetsya, chto rasstoyanie do nee sostavlyaet okolo 320 millionov svetovyh let. Esli udastsya poluchit' bolee tochnuyu ocenku, to, sopostaviv ee s izvestnoi skorost'yu udaleniya etoi galaktiki, mozhno budet luchshe prokalibrovat' svyaz' skorosti rasshireniya s rasstoyaniem dlya vsei nablyudaemoi Vselennoi.