Chapter 11

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Across
  1. 3. What color are the hottest stars?
  2. 5. What type of star is an extremely dense, compact object created from the remnant of a supernova?
  3. 7. What is a large cloud of gas and dust where stars are born?
  4. 10. What is a group of stars forming a recognizable pattern in the sky called?
  5. 12. What force causes the formation of stars from nebulae?
  6. 15. What is the explosive death of a massive star called?
  7. 16. What unit is used to measure the vast distances between stars?
  8. 17. What is the shape of the Milky Way galaxy?
Down
  1. 1. What is a group of galaxies bound together by gravity called?
  2. 2. What is the nuclear process that powers a star?
  3. 4. What is the closest star to Earth?
  4. 6. What type of galaxy is shaped like a flattened ball or oval?
  5. 8. What characteristic of a star is also known as its luminosity?
  6. 9. What type of galaxy has no specific shape?
  7. 11. What term describes all of space and everything in it, including stars, galaxies, and planets?
  8. 13. What color are the coolest stars?
  9. 14. What is a massive system of stars, stellar remnants, interstellar gas, and dust bound together by gravity?