闷热
发表于 2025-3-28 18:17:27
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四牛在弯曲
发表于 2025-3-28 21:40:13
Beaming, of light is moving fast with respect to an observer. All the discussion is very informal and as simple as possible. We will explain the origin of light aberration, and why the received luminosity can be very different from the luminosity as measured in a frame comoving with the source.