Across
- 2. – Region of space with gravity so strong nothing can escape
- 5. – Term for bending of space-time
- 9. – Thought experiment illustrating time dilation
- 10. – Einstein’s theory linking space and time
- 12. – The boundless three-dimensional extent in which objects exist
Down
- 1. – Hypothetical shortcut through space-time
- 3. – Travels at 299,792 km/s in a vacuum
- 4. – Force that attracts objects toward each other
- 6. – Distance traveled per unit of time
- 7. – Amount of matter in an object
- 8. – Fourth dimension in physics
- 11. – Concept in sci-fi of frozen or delayed time