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u/Routine-Credit-1614

▲ 32 r/AskPhysics

So ive always heard that "a photon is always travelling at c from every reference frame" but i dont fully understand that. If i have a photon and another particle travelling right next to it at nearly the speed of light like withon 1/googol m/s, the photon would still be moving at c from that particles reference frame? Yet from an outsiders frame of reference they would look like theyre going essentially the same speed?

edit: i think this is one of the things that im simply never going to have an intuitive understanding of... just that its something that happens

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u/Routine-Credit-1614 — 8 days ago
▲ 30 r/DebateEvolution

Simple evolution explanation

Do you understand that an organism might mutate in some way, be it large or small? Yes? Good!

Do you understand that this mutation may either help them survive or hurt their survival? Yes? Good

Do you understand that this mutation can be passed on to the organisms offspring? Yes? Good!

If you said yes to all of these things, you understand that evolution exists and how it works on a basic level

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u/Routine-Credit-1614 — 8 days ago