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Message: <blockquote data-quote="tomBitonti" data-source="post: 6866645" data-attributes="member: 13107">Based on the star trek timeline, there seems to be an extra supernova about every 100 years, if not more often.  That is already (about) 5-10x the number of supernovas per millenium for the milky way than the current observed rate.  And that rate is just in a our quite small neighborhood.  It seems that we might notice that the population of supernovas in our and other galaxies don't match up, or at least we would notice a particular type of supernova which is modeled as "anomalous main sequence supernova" with an unknown physical process causing fusion to stop.  Or rather, those would be the dominant type, since there would be a lot more of them than natural supernovae.Not clear from the episode itself, but there is a ST novel about the Dyson sphere which described a 100ly void around it which were the stars and such which were dismantled to create the sphere.Anyways, Star Trek has had a number of Kardashey type II civilizations, which seem likely to have noticeable impacts.Or maybe not.  The impacts might not be noticeable for another few centuries, which for the ST universe is past when we achieved warp drive, so the point becomes moot.  But if we stay near our current technology for the next 1000 years, I'm thinking that is enough time for us to notice things.Thx!Tom</blockquote>