Space

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Across
  1. 3. a bright object in space that has a tail of gas and dust
  2. 6. a lot of stars that are close to each other
  3. 9. an exploding star that produces an extremely bright light
  4. 10. a very large hot ball of gas that appears as a small bright light in the sky at night
Down
  1. 1. an object similar to a planet that goes round another planet
  2. 2. a very large cloud of dust and gas that exists in outer space
  3. 4. a mass of rock that moves around in space, most are found between the planets Jupiter and Mars.
  4. 5. a large piece of rock from space that passes into the Earth's atmosphere and appears as a bright light in the sky
  5. 7. the planet on which we live
  6. 8. a very small star that does not shine brightly