Ask your own question, for FREE!
Biology 19 Online
OpenStudy (anonymous):

What is a galaxy? How many galaxies are there and how many stars does each galaxy hold? @colleen431

OpenStudy (anonymous):

A galaxy is a large collection of stars and dust. There re an estimated 125 billion galaxies in the universe, with each galaxy holding anywhere between 100 to 400 billions stars each.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!