Science crossword

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Across
  1. 2. a _ studies planets starts and other things. in space.
  2. 4. The _ gives us light when the Earth is facing it.
  3. 5. the moon takes about a month to _ Earth.
  4. 8. something that a group of stars create to make a pattern in the sky.
Down
  1. 1. The _ orbits around the Earth.
  2. 3. _ pulls you down towards the Earth.
  3. 4. During the nighttime you can see _.
  4. 6. _ is a name of a constellation.
  5. 7. There are lots of _ from constellations in the sky.
  6. 9. When the Earth isn't facing the Sun is it _.