8th Grade Astronomical Science 2 (A Beka Book, Science: Earth and Space, pp. 310-329)

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Across
  1. 1. the most volcanically active body in the solar system
  2. 4. speediest planet
  3. 6. two "new planets" that were later named dwarf planets
  4. 9. the largest moon in the solar system
  5. 12. the first new planet discovered
  6. 14. Jupiter's four moons (Ganymede, Callisto, Io, & Europa)
  7. 15. Mercury, Venus, Earth, & Mars
  8. 16. Earth's only natural satellite
  9. 17. Jupiter, Saturn, Uranus, & Neptune
  10. 18. the second largest planet
  11. 19. Mars's two moons
  12. 21. the red planet
  13. 22. the second largest moon and the only one that has a thick atmosphere
  14. 23. the biggest storm seen on Jupiter
  15. 25. what happens when a full moon passes through the earth's shadow
  16. 26. has the fastest rotation of any planet
Down
  1. 2. the largest known mountain in the solar system
  2. 3. Neptune's largest moon; experiences the coldest known temperatures in the solar system
  3. 5. planets that are made primarily of gas
  4. 7. the "morning star" & "evening star"
  5. 8. an object that revolves around another object
  6. 10. the planet discovered mathematically before it was seen
  7. 11. discovered Uranus
  8. 13. moving backward, from east to west
  9. 16. Latin for seas; the moon's dark patches
  10. 20. what happens when a new moon gets between the earth and the sun, at least partially blocking the sun
  11. 22. the lighter areas on the moon
  12. 24. about 93,000,000 miles from the sun