It seems that light may travel through space at an instantaneous speed and
that light is not absorbed but transmitted by an otherwise opaque object if
the object is of the same refractory index as the body! So absorption (and
reflection?) only happens at the surface of an object.
John Berry
Jerry W. Decker wrote:
> Ok, another can of worms...I am told that a friend called NASA and was
> told that there was no light in space, another call to confirm
> and he was told that was not for public release and it was
> incorrect.......Keely said that light could not be perceived unless it
> struck a percussive medium, such as air or tissue or mass
> itself...following that, in space there is no light, other experimenters
> including Goethe claimed the same thing...that in space, in vacuum you
> could not see light...cameras in space see only because the light strikes
> itself on the imaging media to make itself known (seen)....