Other Sciences

9th -

12thgrade

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Astronomy

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30 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt
    Why is the light from distant galaxies red-shifted?
    They produce more red light than nearby galaxies
    They are moving away from us
    The longer wavelengths are filtered out more by dust
    They are moving toward us
  • 2. Multiple Choice
    30 seconds
    1 pt
    About how long ago do scientists believe the universe began?
    13-14 billion years ago
    13-14 million years ago
    12-13 billion years ago
    12-13 million years ago
  • 3. Multiple Choice
    20 seconds
    1 pt
    What does the moon orbit around?
    Saturn 
    Neptune 
    Earth 
    Sun 
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