Lunar Quiz

A synodic month is

  • the length of time it takes the Moon to make one orbit around the Sun
  • the length of time it takes the Moon to return to orbit the Earth
  • the length of time it takes the Moon to return to the ascending node
  • the length of time it takes the Moon to return to the sameаpositionаwith respect to the stars

A draconic month (or nodical month) is

  • the length of time it takes the Moon to make one orbit around the Sun
  • the length of time it takes the Moon to return to orbit the Earth
  • the length of time it takes the Moon to return to the ascending node
  • the length of time it takes the Moon to return to the sameаpositionаwith respect to the stars

For an observer in the Northern Hemisphere, the right side of the moon is always illuminated during the waning phases.

  • True
  • False

Only planets further away from the Sun than Earth display retrograde motion in our night sky.

  • True
  • False

Of all the planets, which one is brightest in our sky at any given time?

  • Jupiter
  • Neptune
  • Mars
  • Venus





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