Across
- 4. This causes seasons
- 5. A large black hole surrounded by stars and plantets
- 7. Made of ice and rocky debris (aka dirty snowball)
- 8. Made up of planets, stars,and galaxies
Down
- 1. The force that pulls us and planets
- 2. Theory that states that the universe is rapidly expanding
- 3. A hole that sucks up all light. (AKA dead star or ghost)
- 6. made of hydrogen and helium,the closest is 25,300,000,000,000 miles away
- 7. A distinctive pattern of stars that make a picture if the lines are connected
- 9. A powerful luminous stellar explosion
