Cosmic Queries – Volcanoes & Life in the Universe
StarTalk Radio
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The Power of Air Source Heat Pumps
Iceland has a hotspot underneath Iceland, which is just this kind of warmer area of the mantle that produces excess heat and excess volcanoes. You don't need to be near a plate boundary where you create volcanoes or near a hotspot to necessarily create geothermal energy. If you drill down a kilometer, you get a 25 degree increase in temperatures. Now you don't even need that much increase to generate a little bit of heat.
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