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