When light (photons) travel from a distant star, do individual photos get “spread out” so that there is space between photons as they race through the cosmos?
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Photons are actually waves (more specifically – propagating changes in electric and magnetic potential in the electromagnetic field), not objects, so yea the wave spreads out and covers more space as it moves, similar to how dropping a pebble in a pond, it starts at a localized point and spreads out throughout the lake.
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