possible everything has more or less
Galaxies are just collections of many stars surrounding a common gravity center, often a black hole. They usually have a 'halo' around them and the can, and do, collide. This sometimes results in a...
Our galaxy, the Milky Way, is itself a galaxy, made up of approx. 200 billion stars. There are no other galaxies within our own.
A galaxy has millions or billions of stars. It seems that most stars have planets.
Stars, Dust and Plasma.
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