Space

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Across
  1. 4. a group of billions of stars, planets, dust, and gas all moving together.
  2. 7. scientists who study outer space.
  3. 8. all of space and everything in it including stars,planets,galaxies, etc.
Down
  1. 1. a spiral shaped galaxy where Earth is located.
  2. 2. the Sun and everything that orbits, or travels around the Sun.
  3. 3. become or make larger.
  4. 5. Capable of being observed or we can see it.
  5. 6. when something such as the Earth circles around the Sun.