Stephen Hawking
Across
- 1. The red planet
- 4. Something without an end
- 6. The planet we live on
- 7. A path around a star or planet
- 9. A distant, bright space object
- 10. A cloud of gas in space
Down
- 2. Someone who writes books
- 3. An icy object that orbits the sun
- 5. What comes after the present
- 8. A branch of physics