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weizXR t1_je9c11c wrote

*Human history, since we've been ~accurately recording (so, not that long).

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ApplicationRoyal1072 t1_je9z7ul wrote

Considering the fact that homo sapien and sub species history is about 1.5 or so million generations and recorded history is only about 20 thousand generations it's just a blink in time of a lifetime of each of us. There are physical phenomena that we deduce from our surroundings though. As we reach further into the past to collect data about facts with technological advances .........we still won't approach a meaningful understanding of our universe. Unless of course we somehow evolve . But then there won't be humans anymore. I think in the end all of this can't be fully resolved.

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kayl_breinhar t1_jea12yv wrote

We can surmise that Earth has been meaningfully hit with GRBs over its history (even before ours) by taking ice and core samples and finding decaying isotopes that shouldn't be there.

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