Our Solar System and Beyond

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Across
  1. 2. to travel in an orbit, or path, around another object
  2. 5. to spin on an axis
  3. 7. all of space and everything in it
  4. 9. small, nearly sphere-shaped object that revolves around Sun & has some characteristics of a planet
  5. 13. a star and the planets, their moons, and other objects that revolve around that star
  6. 16. the path an object takes as it revolves around another object in space
  7. 17. a frozen mass of gases, ice, rock, and dust that revolves around the Sun
Down
  1. 1. a large, nearly sphere-shaped object that revolves around a star
  2. 3. a group of stars that make a pattern in the sky
  3. 4. brightly burning meteoroid, chunk of rock/metal from space, that is falling through Earth’s atmosphere
  4. 6. a natural, rocky or icy object that revolves around a planet
  5. 8. a huge collection of stars, dust, and gas held together by gravity
  6. 10. instrument that makes distant objects appear closer & larger by using lenses, mirrors, or other devices
  7. 11. an enormous sphere of extremely hot, glowing gases in space that gives off energy
  8. 12. a small object made of rock, metal, or a combination of the two that revolves around the Sun
  9. 14. an imaginary line that passes through the center of an object, around which the object rotates, or spins
  10. 15. the star that is at the center of our solar system