Across
- 4. Jupiter, Saturn, Uranus, and Neptune.
- 5. a large rock that orbits the sun but is not a planet
- 8. the distance light goes in a year
- 11. Mercury, Venus, Earth, and Mars
- 12. dark spots on the sun
- 13. the earth passing through debris in space
- 14. a massive object orbiting a star
- 15. our galaxy
- 16. all things that are gravitationally pulled in by the sun
- 17. the explosion of a star
Down
- 1. a massive ball of gas that planets orbit
- 2. a large piece of burning rock going through earths atmosphere
- 3. measures the amount of light reaching Earth
- 4. a large system that is composed of gasses, dust, suns,and planets
- 5. the distance form earth to the sun, equal to 149,598,000 km
- 6. a meteor that has gone through earths atmosphere
- 7. a ball of ice and dust that flies through outer space
- 8. the collective amount of light put out by a star
- 9. the force of gravity between two objects is reliant on the size and distance of the objects
- 10. a star and its planets