space

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Across
  1. 2. is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.
  2. 3. a large barred spiral galaxy
  3. 5. large natural objects that orbit, or travel around, stars.
  4. 8. a mass of distant stars appearing as tiny particles of dust.
  5. 9. the large round object that circles the Earth and that shines at night by reflecting light from the sun.
  6. 10. are lumps of rock or iron that orbit the sun.
Down
  1. 1. place in space where gravity pulls so much that even light can not get out.
  2. 4. star around which Earth and the other components of the solar system revolve
  3. 6. small rocky objects that orbit the Sun.
  4. 7. It includes all of space, and all the matter and energy that space contains.