Like lights at the front of a vehicle. Why doesn't it lag?
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[quote][b]Posted by:[/b] ErranInfigo [quote][b]Posted by:[/b] DarkBen64 The speed of light is constant. [/quote] Ah no it is not. It is affected by gravity. Its moving slower on earth than it is in the void. Unless you mean its constant in a given circumstance.[/quote]ok, it's constant when travelling through the same states of matter- so yes, circumstance. Point is it doesn't change according to the Doppler effect.