Across
- 2. the point when something starts
- 7. opposite of day
- 8. what Neil DeGrasse Tyson wanted to explore
- 9. located on every side
- 10. opposite of old
Down
- 1. the solid surface of the Earth
- 3. you need these to buy something
- 4. opposite of worst
- 5. means "at what time"
- 6. used to show true fact instead of what was imagined