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by cgriswald
3929 days ago
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There are hundreds of billions of galaxies at various distances from Earth. When we look out at those different distances, we are also looking out at time. So we have something of the full spectrum of galactic evolution. Even if these events happened "long ago" we should be witnessing them somewhere. Locally, if these events happend long ago, surely they would have been here by now, harvesting our star. |
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I personally just don't like definitive statements when there's no way for us to know the whole story.