Understanding Galaxies
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Questions and Answers

How long would it take for light to pass from one side of the entire galaxy to the other?

  • 10 thousand years
  • 1 million years
  • 100 thousand years (correct)
  • 1 billion years

    • Why was the Milky Way named as such?

  • Because it has a milky look at night (correct)
  • Because it is invisible
  • Because it is made of milk
  • Because it is the biggest galaxy

    • When will the Milky Way collide with the neighboring galaxy of Andromeda based on current observations?

  • More than 10 billion years
  • Less than 1 billion years
  • Never
  • Less than 4 billion years (correct)

    • When did we first discover that there are other galaxies besides the Milky Way?

    <p>1924</p> Signup and view all the answers

    About how many times has our solar system rotated with the Milky Way based on its age?

    <p>20 times</p> Signup and view all the answers

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