Solar System

Solar System, reflection and refraction

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1. Why do astronomers today find it useful to photograph distant galaxies

  • more light collected, distant galaxies produce little light
  • to look at later went they want to
  • so they can zoom in on the photo
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Other questions in this quiz

2. What is measured in hertz (Hz)

  • Frequency
  • Amplitude
  • Speed
  • Velocity

3. What is a virtual image

  • there is more than one
  • An image that appears to have only to have come from where the dotted line meets
  • it doesn't exist

4. What is meant by a wave being 1 HZ

  • 1 wave a second
  • 1 wave a millisecond
  • 1 wave a minute
  • 1 wave an hour

5. Order of scientists ideas of the solar system discoveries (eg Galileo) earliest first

  • Copernicus, Galileo, Ptolemy, Herschel
  • Ptolemy, Copernicus, Galileo, Herschel
  • Ptolemy, Galileo and Herschel, Copernicus
  • Herschel, Copernicus, Galileo, Ptolemy


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