Solar System

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Across
  1. 2. A gas planet, 8th planet from the sun
  2. 5. the tenancy to continue at rest or going in a straight line, unless affected by an external force
  3. 7. A gas planet, 6th planet from the sun
  4. 9. The ratio of the length in a drawing (or model) to the length of the object in real life
  5. 14. A unit of length equal to the distance between the Earth & the Sun
  6. 15. A rocky planet, 3rd from the sun
Down
  1. 1. A gas planet, 5th planet from the sun
  2. 3. The curved path of an object around a star, planet, or moon
  3. 4. An amount of space between two objects
  4. 6. A rocky planet, 4th from the sun
  5. 8. A gas planet, 7th planet from the sun
  6. 10. A rocky planet, closest to our sun
  7. 11. A rocky planet, 2nd planet from the sun
  8. 12. An object that orbits a star, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit.
  9. 13. a fixed luminous point in the night sky that is a made of a mass of burning gas