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I'll to speak shortly, because I doubt anyone here will understand.
According to relativity, the speed of light is constant in all inertial frames of reference, and the laws of physics are the same in all frames. This theory has been extensively tested and has consistently been shown to accurately describe the behavior of light and other phenomena in the absence of aether.
originally posted by: andy06shake
a reply to: Untun
Darkness exists as the absence or lack of light Untun.
When there is no light, we perceive darkness.
But again darkness has no direct physical source.