Across
- 2. year, the distance that light would travel
- 3. Bang, the concept of how the formed 15 billion years ago
- 5. a person who travels and works in space
- 7. collision between two objects
- 8. the layers of gases that surround many many planets and there body's
- 9. prices of rock or metal that orbit the sun
- 10. hole, a region in space that has a enormous force of gravity that light cannot escape
Down
- 1. of a sphere
- 4. a collection of a billion stars
- 5. which is a belief that our lives who are influenced by stars
- 6. the study of stars
- 9. a spectacular light show