Across
- 3. A piece of debris made of rock and ice that has one or more tails.
- 6. A huge star.
- 8. Farthest planet from the sun
- 10. The smallest planet in our solar system
- 12. An object in space that has so much gravity that light cannot escape it
- 13. A pattern of stars in the sky
- 14. Distance that light travels in a year
- 15. The largest planet in our solar system
Down
- 1. Studies molecules to explain chemical compositions in space
- 2. A scientist who studies objects in the sky
- 4. A planet made up almost entirely of gas.
- 5. A light in the sky made by a burning meteoroid.
- 7. When the moon partially or completely blocks the sun
- 9. An attractive force between two or more objects that's amount of force depends on the mass of an object.
- 11. A round pit on the surface of the moon