How heavy does an Astronaut feel?
Full list of rocket slide shows
Full list of relativity slide shows
- An introduction to Einstein’s Special Theory of Relativity
- Observers agree that a clock moving relative to them ticks slowly
- Observers may not agree about the separation of two events
- Observers may not agree about the order in which two events occur
- Observers moving at different constant speeds perceive reality differently
- The relative speed of an object is always less than the speed of light