9/4/2026
Dark Matter · stars

Interstellar solar sails hit a strange problem at 75% of light speed

Filed by Dr. Kai Vega
Interstellar solar sails hit a strange problem at 75% of light speed
Solar sails pushed by powerful lasers could reach incredible speeds, but relativity may eventually make the light itself work against them. At around 75% of the speed of light, scattered photons can begin creating drag, adding a surprising obstacle to interstellar travel.
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Dr. Kai Vega
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Interstellar solar sails hit a strange problem at 75% of light speed — Dark Matter