Across
- 4. The second-largest planet in our solar system, known for its icy rings.
- 5. The first man to walk on the moon.
- 7. The name of the first American woman to go to space.
- 8. The galaxy that contains our solar system.
- 10. The largest planet in our solar system.
- 12. The hottest planet in our solar system, named after the Roman goddess of love.
- 13. A bright object in space that is made up of gas and dust, often with a glowing tail.
- 15. This spacecraft successfully landed on Mars in 2012 to explore the planet's surface.
- 16. The red planet named after the Roman god of war.
- 18. The ringed planet, known for its beautiful rings.
- 19. The dwarf planet located in the Kuiper Belt.
Down
- 1. A large, spinning space station where astronauts live and work.
- 2. A large rock that orbits the Earth and affects the tides.
- 3. This planet is famous for its extreme winds and blue color.
- 6. The force that keeps planets in orbit around the Sun.
- 8. The closest planet to the Sun.
- 9. The spacecraft that took humans to the moon in 1969.
- 11. The spacecraft that took the first close-up photos of Pluto.
- 14. This celestial body is the closest star to Earth.
- 17. The only planet known to support life.