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Gravity. Asteroids. Comets. MMM. Mysteries Of The Universe. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. states that every object in the universe attracts every other object.

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  1. Gravity Asteroids Comets MMM Mysteries Of The Universe 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

  2. states that every object in the universe attracts every other object

  3. What is Newton’s universal law of gravitation?

  4. a force of attraction between two objects

  5. What is gravity?

  6. the force of gravity called

  7. What is weight?

  8. without these two things the planets would move in a straight line and fly off into space

  9. What are gravity and inertia?

  10. state Newton’s first law of motion

  11. What is an object at rest will stay at rest and an object in motion will stay in motion with a constant speed and direction unless acted upon by an unbalanced force?

  12. asteroids are referred to as

  13. What are minor planets?

  14. Asteroids mainly orbit here

  15. What is the asteroid belt?

  16. most asteroids orbit between these two planets

  17. What are Mars and Jupiter?

  18. The orbits of asteroids are slightly

  19. What is elliptical?

  20. Astronomers group asteroids into three types based on this.

  21. What is their composition?

  22. the material that makes comets different from asteroids

  23. What is ice?

  24. the part of the comet we cannot see

  25. What is the nucleus?

  26. the reason a comet appears to glow.

  27. What is the gas and dust particles are reflecting the light of the sun?

  28. Causes the primary tail of a comet

  29. What are the solar winds?

  30. Create the second tail

  31. What are photons of light?

  32. The main difference between a meteoroid and an asteroid

  33. What is a meteoroid is on a collision course with Earth?

  34. The reason we see meteors

  35. What is air friction make them heat up and glow?

  36. Meteoroid that comes in contact with Earth’s surface.

  37. What is a meteorite?

  38. when Earth passes through a cloud of dust particles left by a passing comet

  39. What is a meteor shower?

  40. The name of the meteor shower we saw last night.

  41. What is Geminid?

  42. a “shooting star”

  43. What is a meteor?

  44. this makes a comet’s orbit different than the planets

  45. What is comets orbit in a different plane than the inner planets?

  46. why a comet does not have a tail when it is out in deep space

  47. What is the comet is not being affected by the solar winds?

  48. the process of going directly from a solid to a gas

  49. What is sublimation?

  50. one way that comets and asteroids are alike

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