Universe

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Across
  1. 2. It's the glowing celestial body that illuminates our nights: Earth's natural satellite.
  2. 6. People who venture into space undergo rigorous training to become space travelers.
  3. 9. The force that keeps us grounded on Earth and governs planetary motion.
  4. 11. Station The space laboratory where astronauts conduct experiments.
  5. 12. Vehicles designed for space exploration are launched from Earth.
  6. 14. The immense ball of hot gases at the center of our solar system.
  7. 15. Shooting stars are actually tiny space rocks burning up in our atmosphere.
Down
  1. 1. A powerful machine that propels spacecraft into the cosmos.
  2. 3. Our Milky Way is a vast collection of stars, dust, and gas.
  3. 4. These icy, dusty objects travel through space and leave glowing tails.
  4. 5. Some massive spheres orbit around stars, and Earth is one of them.
  5. 7. With a telescope, we can peer into the depths of the universe.
  6. 8. The twinkling lights in the night sky are distant and luminous objects.
  7. 10. Hole A region in space where nothing, not even light, can escape.
  8. 13. Creatures from other planets are a common theme in science fiction.