Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full moon. What backyard observers don't ...
This jellyfish-like cloud is a million light-years wide, but barely visible. It may be a 'phoenix' risen from the dead. When you purchase through links on our site, we may earn an affiliate commission ...
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