Solar System

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Across
  1. 1. the attractive force between all objects having mass
  2. 2. in 1600's Discovered that planets' orbits are ellipses and not circles
  3. 4. a nearly spherical object that orbits the Sun, but shares its orbital path with other objects of similar size
  4. 5. the path an object follows as it moves around another object
  5. 6. in 1500's proposed that Earth orbits the Sun as a Heliocentric model
  6. 8. the motion of one object around another
  7. 10. a spinning motion
  8. 11. day when Earth's rotation axis is leaning along Earth's orbit, neither toward nor away from the Sun
  9. 12. an occurrence during which the Moon's shadow appears on Earth's surface
Down
  1. 1. a huge collection of gas, dust, and stars held together by gravity
  2. 3. the line on which an object rotates
  3. 7. a day when Earth's Rotation axis is the most toward or away from the Sun
  4. 9. an occurrence during which the Moon moves into the Earth's Shadow