Time Travel

2. absurd proposition that when investigated or explained may prove to be well founded or true
5. the concept of time and 3-dimensional space regarded as fused in a 4-dimensional continuum
6. traveler a person who can move between different times in the past or the future
8. gone by in time and no longer existing
10. paradox paradox of time travel in which a person travels to the past and kills their own grandfather before the conception of their father or mother, which prevents the time traveler's existence
11. the time or period of time following the moment of speaking or writing; time regarded as still to come
12. a region of space having a gravitational field so intense that no matter or radiation can escape

1. theoretical passage through space-time that could create shortcuts for long journeys across the universe
3. the force that attracts an object or body to the center of the earth
4. to be transported across space and distance instantly
7. vast 3-dimensional region that begins where the earth's atmosphere ends
9. universe a universe theorized as existing alongside our own