Gravity and the Universe

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  • Created by: Olivia
  • Created on: 18-12-13 12:57

Our Solar System is in the Milky Way

  • A galaxy is a large collection of stars
  • Our Sun is just one of many billions of stars which form the Milky Way galaxy. Our Sun is about halfway along one of the spiral arms of the Milky Way
  • The distance between neighbouring stars in the galaxy is often millions of times greater than the distance between planets in our Solar System.
  • The force which keeps the stars together in a galaxy is called gravity, of course. And like most things in the Universe, galaxies rotate.

The Universe is a large collection of billions of…


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