Other questions in this quiz

2. 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

3. What is measured in hertz (Hz)

  • Velocity
  • Amplitude
  • Frequency
  • Speed

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

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

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