Solar System Crossword

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Across
  1. 4. A planet is a celestial body that is in orbit around the Sun,
  2. 5. four of them, closest to the sun
  3. 6. between mars and jupiter
  4. 9. repeating path that one object in space takes around another one
  5. 10. planet that is composed primarily of silicate, rocks or metals.
  6. 11. the force by which a planet or other body draws objects toward its center.
  7. 13. planet composed mainly of hydrogen and helium
Down
  1. 1. made up of our star, the Sun, and everything bound to it by gravity
  2. 2. small planetary mass subject
  3. 3. relation to the center of the sun.
  4. 6. a mixture of gases that surrounds the Earth.
  5. 7. four of them, furthest from sun
  6. 8. The partial or total blocking of light of one celestial object by anothe
  7. 11. relation to the center of the earth
  8. 12. is a unit of length defined to be exactly equal to 149,597,870,700 m.