My simple brain is seeing contradictions.
Does light bend around strong gravitational pulls like that of a black hole? and if so, does a photon, a light particle have mass? and if so, how is it that something with mass is travelling the speed of light?
As well, in regards to the Lorentz contraction theory, does it really take 20 years for light to travel 20 light years if the contraction occurs and photons have mass, and so on?
My head hurts.
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