Chapter 28 and 29 Kennedy Keller

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Across
  1. 2. A _____ is a huge assemblage of stars, interstellar gas, and dust
  2. 4. the closest planet to the sun
  3. 6. A _____ is what remains when a supergiant star collapses into itself
  4. 7. ______ Implies that the universe is expanding
  5. 9. gravitation at the surface of a star ______ when it collapses
  6. 11. The _______ is the nearest star to the earth
Down
  1. 1. _____ is surrounded by rings
  2. 3. The ______ is a remnant of a supernova
  3. 5. The most familiar galaxy is the ________
  4. 8. Saturns largest moon,_____, was visited by the Cassini spacecraft
  5. 10. the third planet from the sun