An asteroid or comet impacting Earth is going to cause a huge amount of devastation - but just how devastating depends on the size of the object hitting us. I recently found a site run by Imperial College, London which will allow you to estimate the regional environmental consequences of an impact on Earth.
Fascinating, if a little morbid and a great way to round off your week.
Index Card Dungeon – Caves 1
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Beyond the entrance cavern, one descends deeper into the earth into rapidly
increasing humidity and the sounds of dripping water. …
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15 hours ago
Cool. Thanks for the link.
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