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Originally posted by Heckman
If the speed of light is indeed constant then it will apear to move faster in the direction we are going away from. And it will apear to go slower in the direction we are going.
The relative velocity of any two objects never exceeds the velocity of light. Applying the Lorentz transformation to the velocities, expressions are obtained for the relative velocities as seen by the different observers. They are called the Einstein velocity addition relationships.
Originally posted by Freeman
Thats is to say all of us here, in our solar system, what speed are we moving with?
What if we are moving with a speed near to light, how would we know it. The universe is expandning, so we must be moving catch my drift, what speed are we moving at?