Across
- 4. a group of stars that form a shape similar or exactly in the shape of something we can relate to on earth
- 6. a region of spacetime where the gravity is so great that not even light can escape it
- 7. the closest star to our solar system
- 9. where all planets and stars and other space objects are located
- 12. how far light travels in a year
- 13. the planet we live on and the only known planet to contain sentient and sapient life
Down
- 1. how much matter something takes up
- 2. Twinkle Twinkle little __________
- 3. farthest man-made spacecraft to be launched into space
- 5. a path a smaller object takes around a larger one caused by gravity such as the planets around the sun
- 8. a large object which orbits a star
- 10. can either be a stellar or a planetary of these
- 11. the force that keeps Earth in the sun's orbit
