Warm Up Questions

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Warm Up Questions

• 1. How long does it take light from the sun to
  get to Earth?
• a) Less than a second
• b) Almost ten minutes
• c) About an hour
• d) Several days
• 2. What is a light year?

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Answers

• 1. It takes light about 8.5 minutes to get from
  the sun to the earth. Light travels at about
  300,000 km per second.
• 2. A light year is a unit of distance used in
  astronomy. It is the distance that light travels
  in one year at 300,000 km per second.

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