Physics Q1C2 Student Name _____________________________

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Across
  1. 2. The largest of the rocky planets orbiting the Sun.
  2. 5. The direction of a celestial object from the observer, expressed as the angular distance from the north or south point of the horizon to the point at which a vertical circle passing through object intersects the horizon.
  3. 8. A moon of Saturn that is larger than the planet Mercury.
  4. 9. A moon of Jupiter that is larger than the planet Mercury.
  5. 10. The first dwarf planet in the Kuiper belt to be discovered.
  6. 11. The closest planet to the Sun.
  7. 13. The farthest planet from the Sun.
  8. 14. The shape of a planet’s orbit.
  9. 16. The second brightest object in the night sky.
Down
  1. 1. The second most explored planet in the Solar System.
  2. 3. A comet which is expected to be visible from Earth in 2061.
  3. 4. The second largest known object in the Solar System.
  4. 6. Has the coldest planetary atmosphere in the Solar System.
  5. 7. The model of the Solar System promoted by Nicholas Copernicus.
  6. 12. A German astronomer best known for his laws of planetary motion.
  7. 15. The Second largest planet in the Solar System