I Need Space

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Across
  1. 2. Made of gas, dust, and ice and moves around the Sun in an oval-shaped orbit.
  2. 4. Your favorite 8th grade science teacher's last name.
  3. 6. The 6th planet from the Sun.
  4. 7. An elongated, closed curve.
  5. 8. When Earth or the Moon casts a shadow on the other.
  6. 9. The oldest, most highly-cratered regions on the Moon
  7. 11. __ magnitude is the measure of the amount of light a star gives off.
  8. 12. This celestial object orbits the Earth from an average distance of about 238,000 miles.
  9. 14. The day when Earth's rotation axis is leaning along Earth's orbit
  10. 15. The smallest planet in our solar system.
  11. 16. Debris left by colliding asteroids or dispersing comets.
  12. 19. A reddish glow around the Sun.
  13. 21. The type of heat transfer we receive from the Sun.
  14. 25. __ magnitude is the measure of the amount of light received on Earth.
  15. 27. Patterns of stars in the night sky.
  16. 28. A big ball of gas that gives off light and heat through nuclear fusion.
  17. 29. The day when Earth's rotation axis is the most toward or away from the Sun
  18. 30. The largest planet in our solar system.
  19. 32. Another name for the outer planets.
  20. 33. 93,000,000 miles.
Down
  1. 1. Earth takes 365.24 days to make one full __ around the Sun.
  2. 3. The distance that light travels in one year.
  3. 5. The Sun is the center of the solar system.
  4. 10. The Earth is the center of the solar system.
  5. 13. The closest start to Earth.
  6. 16. Dark, flat areas formed from lava 3-4 billion years ago.
  7. 17. The layer of the Sun we see; the visible surface of the Sun.
  8. 18. This light blue planet that spins on its side.
  9. 20. Pluto is a __ planet.
  10. 21. The Earth takes 24 hours to make one full __ on its axis.
  11. 22. The planet home to the largest volcano, Olympus Mons.
  12. 23. The Sun is classified as a __ dwarf.
  13. 24. The outermost layer of the Sun's atmosphere
  14. 26. Saturn's largest moon.
  15. 31. Huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity.