Across
- 4. - Has to main postulates
- 5. - The distance light can travel in a unit of time through a given substance
- 7. - The lenght contraction happens only in the direction of relative motion
- 10. - Nonrotating , Nonaccelerating
- 11. - The mass ,m being reffered to by the equation
- 15. - moving object appera to be more massive
- 16. - Not absolute property between events
- 17. - the branch of science concerned with the nature and properties of matter and energy.
- 18. - One in which an isolated object appears to be accelerating
- 19. - _________equivalence states that mass is concentrated energy
Down
- 1. - along a timelike world line is defined as the time as measured by a clock following that line
- 2. - is a natural phenomenon by which all things with mass are brought toward
- 3. entities - Like stars and galaxies are able to warp space
- 6. - The point closest to the sun
- 8. - Time for moving objects appear to slow down
- 9. - Special theory of relativity
- 12. - An important aspect of the general theory is the principle of ________.
- 13. - Nothing can travel faster than 300,000 kilometers per second (186,000 miles per second).
- 14. - a region of space having a gravitational field so intense that no matter or radiation can escape.
- 20. - Measure the earths motion through ?