solar system

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Across
  1. 4. the sun and the group of planets that move around it
  2. 8. a large cylinder-shaped object that moves very fast by forcing out burning gases, used for space travel or as a weapon
  3. 9. curved shape of different colours seen in the sky when rain is falling and the sun is shining
Down
  1. 1. a region in space where gravity is so strong that nothing, not even light, can escape
  2. 2. an extremely large, round mass of rock and metal, such as Earth, or of gas, such as Jupiter, that moves in a circular path around the sun or another star
  3. 3. the planet third in order of distance from the sun, between Venus and Mars; the world on which we live
  4. 5. the galaxy (= star system) that includes the earth, seen at night as a pale strip across the sky
  5. 6. the planet sixth in order of distance from the Sun, after Jupiter and before Uranus
  6. 7. the round object that moves in the sky around the earth and can be seen at night