Open cluster

group of "sibling" stars that are loosely gravitationally bound to one another

RSGC3 Stephenson 2 Hodge 301 Quintuplet cluster Iris Nebula Jewel Box [FSR2007] 1576 GUM 42 Alicante 7 Coma Star Cluster Blanco 1 [GKK2003] O118 CD-33 12241

Showing 50 to 63 of 63 Items