Deep-Sky Objects, Galaxies, Stars The Coma Berenices star cluster, the Stargate asterism, and spiral galaxy M99
Stars I have always heard that everything we see is “star stuff” from previous stars that died after converting their hydrogen into heavier elements. So how is there any hydrogen left for the Sun and planets?
Deep-Sky Objects, Galaxies, Stars The constellation Columba, globular cluster NGC 1851, and spiral galaxy NGC 1808
