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The original was posted on /r/todayilearned by /u/raidriar889 on 2025-07-13 01:53:59+00:00.

Original Title: TIL that due to their weakly interacting nature, neutrinos generated in the core of a collapsing star can escape before the shockwave and light of a supernova. They travel so fast that the light still doesn’t catch up with them even after traveling millions of light years.