Science
What is a galaxy? | Live Science – Californianewstimes.com
A galaxy is a group of stars and other cosmic objects held together by gravity.. There are more than 100 billion galaxies in…
A galaxy is a group of stars and other cosmic objects held together by gravity
.. There are more than 100 billion galaxies in the universe, each showing a beautiful structure that can be seen in telescope images of the distant universe.
“At the most basic…
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