Galaxy Crossword

1234567891011121314
Across
  1. 3. space and all the matter and energy in it
  2. 5. matter that does not give off electromagnetic radiation but is quite abundant in the universe
  3. 9. The study of the moon, stars, and other objects in space
  4. 12. an object in space whos gravity is so strong not even light can escape it
  5. 13. Sun, planets, and all the other objects that revolve around the sun
  6. 14. A fixed luminous point in the night sky that is a large, remote incandescent body like the sun
Down
  1. 1. The distance light travels in one year
  2. 2. A system of objects, such as a galaxy that is held together by gravity
  3. 4. A mixture of gases that surrounds a planet or moon
  4. 6. The name given to the first four outer planets :Jupiter, Saturn, Uranus, and Neptune
  5. 7. environments given production and unstable growths
  6. 8. A celestial body resembling a small planet but lacking certain technical criteria that are require for it to be classed as such.
  7. 10. A large spiral galaxy that is home to earth and the rest of our solar system, and about a trillion stars
  8. 11. no definite shape or volume