Space

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Across
  1. 3. The fourth planet from the Sun, known as the "Red Planet."
  2. 4. A small rocky body that orbits the Sun.
  3. 5. A rock or particle that enters Earth's atmosphere.
  4. 7. The star at the center of our solar system.
  5. 8. A luminous ball of gas, like the Sun.
  6. 10. The season when leaves fall from trees, also known as autumn.
  7. 14. The seventh planet from the Sun, known for its tilted axis.
  8. 15. The force that pulls objects toward one another, like the Earth pulls objects toward it.
  9. 16. A large celestial body that orbits a star.
  10. 18. Earth's natural satellite.
  11. 19. The second planet from the Sun, often called Earth's "sister planet."
Down
  1. 1. A vehicle designed for travel in outer space.
  2. 2. The warmest season of the year.
  3. 6. A tool used to observe distant objects in space.
  4. 7. The season after winter and before summer.
  5. 9. A vehicle used to travel in space.
  6. 11. The path one object takes around another, like a planet around the Sun.
  7. 12. A person trained to travel in space.
  8. 13. A system of stars, gas, and dust held together by gravity.
  9. 17. A small icy body that orbits the Sun.