Solar System Vocab

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Across
  1. 1. - an object orbiting a star that is round, not itself a star, and large enough to have cleared small objects from the area around itself.
  2. 3. a large planet composed mainly of gas.
  3. 6. he amount of time it takes for an object to complete one full orbit.
  4. 9. _____________ plant a planet having a rocky surface like Earth’s.
  5. 11. a star and the objects that orbit it.
  6. 13. the average distance from an orbiting object to the object it is orbiting around.
  7. 14. the degree by which the shape of an orbit differs from a circle.
  8. 15. he largest of all the planets and considered a Gas Giant.
  9. 16. three laws that describe the orbits of planets and other orbiting bodies.
Down
  1. 2. a distance unit equal to the average Earth-Sun distance.
  2. 4. the path of one body around another body in space, such as the path of Earth around the Sun.
  3. 5. - an object that is orbiting a star and is large enough to be rounded by its own gravity but not large enough to have cleared its neighborhood of other objects.
  4. 7. - known as the "red planet"
  5. 8. - no longer considered a planet in our Solar System.
  6. 10. the force that pulls things towards the center of a planet or entity.
  7. 12. an object that moves around another object: the moon is one for us on planet earth