Across
- 3. All things contained in the cosmos
- 5. the force that attracts something towards any other physical body with mass
- 8. a collection of planets and moons orbiting a sun
- 11. the distance used by astronomers to measure the space between planets
- 13. stars,dust,and gasses held together by gravity
- 14. a galaxy in a spherical shape
Down
- 1. a enormous explosion of a star
- 2. a term used to describing the distance from planets
- 4. something so dense that everything from a certain range cant escape
- 6. information that supports a theory
- 7. A large cloud containing gas and dust.
- 8. an example is the milky way
- 9. a theory of science that uses the scientific method and hypothesis
- 10. The galaxy we inhabit
- 12. a beginning or standard unit