Across
- 3. all of the billions of ______ and the space around them make the Universe
- 5. used to study distant parts of the universe.
- 8. there are hundreds of billions of stars in the
Down
- 1. the solarsystem is smaller than a galaxy.
- 2. the Universe is ________ than a galaxy.
- 4. the sun and everything that orbits around it
- 6. our earth orbits the _______________.
- 7. the Milky Way has 200-400 ___________ stars.