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RE: TIL That Antimatter Can Be And Has Been Measured

in #til4 years ago

Am not sure to follow, but let me try.

A star emits light, and light is basically information on how the start looks like )at the moment of emission). Light is however traveling at the speed of light (yeah... I think you can guess why :p) and it takes thus some time to reach us here on Earth. Therefore, what we see today is the star as it was long time ago, when light was emitted.

Does it help?

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