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Ray Gorman asked the Naked Scientists: I am familiar with the idea of an expanding universe; that not just the distance between galaxies in increasing, but the ACTUAL space between galaxies (or everything for that matter) is expanding. Does this not alter the speed of light at various ages of the universe, especially if the speed of light is a constant? So, if you're looking at the universe from the "outside"- at 6.5 billion years ago, is the relative distance light travelled in a second LESS than it travels today since the SPACE itself has expanded? Thanks, really enjoy the show over here in the colonies!What do you think?
No. The speed of light does not change with time.
QuoteNo. The speed of light does not change with time.Jo„o Magueijo. (Faster Than the Speed of Light. 2002) disagreed with that statement, have his views gained any following?