Across
- 2. : A huge group of stars and other space stuff held together by gravity.
- 4. : Smaller than a regular planet, not quite a planet, like Pluto.
- 7. : A big, hot ball of gas that gives off light and heat.
- 8. : A small rock or debris in space.
- 9. : Something in space, like a planet, star, or moon.
- 11. : The path something takes as it goes around another object in space.
- 12. : A big thing in space that orbits a star (like Earth orbits the Sun).
- 13. : A space snowball with a glowing tail when it gets close to the Sun.
Down
- 1. : A star (like the Sun) and all the things (planets, moons, etc.) that orbit around it.
- 3. : A natural object that orbits a planet.
- 5. : A big rock floating in space, usually between planets.
- 6. : A space rock that burns up when it enters Earth's atmosphere, often called a shooting star.
- 10. : Something that orbits a planet or star, like a moon or a human-made object.