Posted by MasseySuper90 on November 27, 2014 at 05:07:40 from (50.83.245.178):
In Reply to: Physics question #10 posted by rustyfarmall on November 24, 2014 at 14:46:29:
The speed of light is a constant. Independent of your inertial frame of reference. If a light source is moving towards you at say, 1/2 the speed of light, you would still measure the light you see at the speed of light. Approx 3 million meters per sec. It would not be 1.5 times that. The light would be shifted towards the ultraviolet end of the spectrum. The reverse is also true, if a bright light was moving away from you at any speed, below c (the speed of light in a vacuum) you would still measure it at c. 3 million m/s. It would be shifted towards the infrared end of the spectrum. It's appearance can be altered not it velocity.
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