anonymous
  • anonymous
What holds a galaxy together? a. atomic attractions b. electricity c. magnetism d. gravity
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Galaxies usually have a black hole in the center, and the black hole's gravity is HUGE, really huge, enough to keep a galaxy together. While magnetism and electricity between planets and stars is not that huge. And atoms here on earth don't really affects others planets or stars.
anonymous
  • anonymous
so d right?
anonymous
  • anonymous
Correct. when you start looking at really small thing such as atoms you will learn that what holds the electrons to the protons is an electric force.

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anonymous
  • anonymous
Thanks man.

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