Space

12345678
Across
  1. 1. any of the large systems of stars, etc.
  2. 3. the round object that moves around the earth once every 27½ days and shines at night by light reflected from the sun
  3. 7. a large round object in space that moves around a star
  4. 8. the planet that we live on
Down
  1. 2. any one of the many rocks that go around the sun
  2. 4. a mass of dust or gas that can be seen in the night sky
  3. 5. the largest planet of the solar system
  4. 6. Its shines in the sky during the day and gives the earth heat and light