Galaxy Vocabulary Review

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Across
  1. 2. direction of gravity
  2. 4. The amount of matter in an object
  3. 5. stars, stellar remnants, gas, dust, dark matter held together by gravity
  4. 7. circle at center at least two arms
  5. 8. increases the force of gravity without increasing the size of the well
  6. 11. galaxy with uneven distribution of gravity
  7. 12. the Unit for Force of Gravity and Weight
  8. 14. caused by the distortion of space and time
  9. 15. stars at the center of our galaxy travel at the ___________ speed as stars on the outer rings
  10. 16. the cause of the increased mass in a galaxy
  11. 17. when an object falls within another objects gravitational boundary, it is considered to be __________.
Down
  1. 1. a black hole is found here
  2. 3. cloud of gas and dust where a star is born in a galaxy
  3. 4. increases the size of a gravity well
  4. 5. Attractive force between objects
  5. 6. galaxy we will collide with
  6. 9. galaxy shaped like a fuzzy oval or squished circle
  7. 10. all matter originated from the Big ____________.
  8. 13. our galaxy is considered a ____________ spiral.
  9. 18. Did our galaxy form right after the big bang?