Universe Vocablary Megan Coppage 3rd Period.

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Across
  1. 2. A giant ball of gas that is the center of our solar system, and many planets orbit aroud.
  2. 3. An object with more that four solar masses, squeezed into a ball, whose gravity is so strong, light can't escape.
  3. 7. __ Galaxy, A galaxy with a pull at the center, with short, or no arms at all.
  4. 9. A theory that says, the universe began with a small ball, that grew rapidly over time.
  5. 10. Used in astronomy to measure the size and shape and compare other stars, to our Sun,
  6. 11. A large celestial body of mass and gas, held together by its own gravity.
  7. 12. Rotational center of a huge galaxy, such a the Circinus Galaxy.
  8. 13. The death of a large star by exploding.
  9. 15. __ Galaxy, A galaxy with a pull in the center, with very distinct arms, winding around the center.
  10. 16. Beginning point in witch something begins, or ends.
  11. 17. The distance between any two correspodimg points that are adjacent on a wave.
  12. 18. A large cluster of stars in space.
  13. 19. Large cluster of stars and dust, usually the beginning of a star.
  14. 20. A galaxy with a huge group of stars that rotate around one big star, called our Sun.
Down
  1. 1. Bands of dust that look like dark ribbons against the star in a galaxy.
  2. 4. __ Galaxy, A galaxy with a brighter center, and little dust or gas.
  3. 5. A cluster of star that spreads out from a center of a spiral galaxy.
  4. 6. All space and the matter contains.
  5. 8. A unit of length equal to the distance that it takes light to travle through space in one year.
  6. 10. __ Light, how fast light travels through space.
  7. 14. The transfer of energy through matter or space as electromagnetic waves.