Episode 81: Is the Speed of Light Constant?

Published: July 21, 2013, noon

Astronomical objects are an astronomically large distance away. So far, in fact, that for light, at its current speed, to get from there to us so we can see them, that the universe must be more than 6000 years old. Young-Earth creationists have a problem with that. This epiosde discusses one of the ways they try to solve that problem.