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acrabb3 t1_j28jcvn wrote

Reply to comment by Raflesia in How fast does the Milky Way spin? How far does Earth move through space in a year? by Sabre-Tooth-Monkey

How would the neutrinos perceive each other's (and their own) velocity relative to the start point?
The most cohesive answerer I can think of is that they would see the other neutrino as still at the start point, and therefore everything at the start would appear to be frozen in time.
Which makes sense, since no new information could catch up with them without going faster than light

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Raflesia t1_j29lvb8 wrote

Yup, you got it.

My previous answer is technically incorrect in the sense that "objects" at light speed don't really experience time anymore, but people have a tendency to ignore that bit when trying to explain relativity in hypothetical examples.

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