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Propagating solutions to Maxwell’s equations in classical electromagnetism and real photons in quantum electrodynamics. A superset of thermal-radiation.

2 votes

Why isn't my calculation that we should be able to see the sun well beyond the observable un...

The observable universe is actually defined by the speed of light and the time since the universe began to exist in a recognisable form, not by the inverse-square law of light intensity falloff. The …
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