asmith0139 asmith0139
  • 01-04-2019
  • Geography
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what describes galaxies ​

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jaheimb411 jaheimb411
  • 01-04-2019

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity. Our galaxy, the Milky Way, also has a supermassive black hole in the middle. ... This is the picture taken by the Hubble Space Telescope showing thousands of galaxies.

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qbmads qbmads
  • 01-04-2019

something that goes on forever and is held together by gravity

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