/u/Awesomeuser90's posts
Given how old the Earth is, and how its geological processes often erase evidence, what kinds of ways could we know if say someone ever set up a colony in the late Hadean Era or other ancient times?
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When we get long enough ago into the past for evidence of whatever, wouldn´t it start to become a significant factor how we deal with the leap days in a calendar and the speed of the rotation of the Earth changing to make the days themselves longer?
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How confident are we that the laws of physics are the same as they were in the past and will remain so in the future?
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What was the resistance to establishing Early Modern Slavery in it´s early days? How could it have been avoided by the decisions at the time?
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