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Yes I know that the sun and planets in the solar system travel fast with an average speed of 448,000 mph.

  • Are we going to the center of the galaxy? If so, does that mean our galaxy is getting smaller (because all objects will be centered)?
  • And do galaxies also travel fast to somewhere (like the solar system)?
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  • $\begingroup$ You may find that Monty Python's Galaxy Song contains the answers to your question! $\endgroup$
    – Stu Smith
    Sep 11 at 6:23
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The Sun (and the solar system with it) orbits around the center of our galaxy. This orbit is a bit more complex than eg Earth's orbit around the Sun, but the big picture view is about the same.

Our galaxy is moving relative to other galaxies in our local group, and there is also some movement towards the Great Attractor.

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