The Solar System

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Across
  1. 1. the sun is at here in the Solar System
  2. 3. explained how the inertia of a planet and the gravity of the sun work together to create the elliptical orbit path of the planets
  3. 5. there are eight of these in the solar system
  4. 8. a chunk of rock and dust that is located in deep space
  5. 9. gravity is the attraction of two of these
  6. 11. the kind of relationship between gravity and distance
  7. 12. this is located between Mars and Jupiter
Down
  1. 1. made of dust, ice and gas
  2. 2. this is where comets can be located
  3. 4. supported the heliocentric model but discovered that the orbits of planets were elliptical, not circular
  4. 6. caused by the burning up of a meteoroid in the atmosphere
  5. 7. this is a path that is not circular and is created by gravity and inertia
  6. 8. a meteoroid that has passed through the atmosphere and hit the Earth's surface
  7. 10. the kind of relationship between gravity and mass