Stars, Galaxies, and the Universe

12345678910
Across
  1. 3. the collection of all galaxies stars and planets
  2. 4. a large ball of burning gas
  3. 7. enormous
  4. 8. the layer of gasses that surrounds earth
Down
  1. 1. a group of stars that forms a particular shape
  2. 2. Scientist that studies the universe
  3. 5. held together by gravity
  4. 6. property generated by algorithms
  5. 9. An object in space that moves around a planet
  6. 10. celestial body of gas