The beautiful and mysterious galaxy known as Hoag's Object has a nucleus of older yellow stars surrounded by a ring of young blue stars separated by a gap spanning thousands of light-years.
Credit: NASA/ESA/STScI
The beautiful and mysterious galaxy known as Hoag's Object has a nucleus of older yellow stars surrounded by a ring of young blue stars separated by a gap spanning thousands of light-years.
Credit: NASA/ESA/STScI