space

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Across
  1. 2. The thin layer of gases surrounding our planet.
  2. 5. The dark shadowing event when the moon moves between the sun and Earth.
  3. 7. The natural force that pulls objects toward Earth. (hint: keeps your feet on the ground)
  4. 8. Earth-like, or relating to land.
  5. 10. To stay alive or keep going, you need to _______ yourself with food, water, and oxygen.
  6. 14. Related to stars. (hint: same root as “constellation”)
  7. 15. The moon’s version of “earthly.”
  8. 16. The line where the sky seems to meet the land or sea.
  9. 18. A streak of light in the sky caused by a rock burning in the atmosphere.
  10. 19. Broken pieces of spacecraft or satellites left in space.
Down
  1. 1. A person who travels to unknown or unfamiliar places.
  2. 3. Small rocky bodies orbiting the sun, mostly between Mars and Jupiter.
  3. 4. What circles around planets and stars.
  4. 6. A celestial body that is closest to the sun.
  5. 9. The condition of having no weight.
  6. 11. A mission with no astronauts on board.
  7. 12. What cannot be avoided is ________.
  8. 13. What astronauts do inside a space station instead of walking.
  9. 17. A large vehicle designed for travel beyond Earth’s atmosphere.