The Universe

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Across
  1. 2. an area of space which pulls in everything near it, including light.
  2. 4. a small rocky object made of ice, dust and rock that moves around the sun and sometimes seems to have a tail.
  3. 7. a small rocky object made of rock and metal that moves around the sun.
  4. 8. a very large group of stars.
Down
  1. 1. a large round object that moves around the sun, and that has cleared the area surrounding it
  2. 3. a large ball of burning gas, like our sun.
  3. 5. a large round object that moves around a planet.
  4. 6. a collection of small objects that forms a circle or disc around a planet.