[Shaun @ Tru6]

Originally Posted by Moses

A really elegant explanation of relativity and time dilation:




And another on movement beyond the speed of light:

These are great. I'm off for the day, but somewhere between 5 and 6 minutes on the second video he says the Earth doesn't change its distance from the Sun due to the Law of Gravity. But since the sun is converting 4 million tons of matter per second into energy, the Earth would have to increase its distance from the Sun over time. I wonder what minimum mass the Sun would have to be to keep the Earth in orbit versus being pulled into the expansion of space.