Will the Earth's core ever cool and harden?
8 Answers to "Will the Earth's core ever cool and harden?"
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The laws of physics says it will. The core is gradually cooling, and will eventually become solid. We are talking about another billion years in the future though. Long before that, the cooling and slower moving core will result in the magnetic field weakening and possibly reversing many times before it becomes solid. Once solid, there will be nothing to drive and generate the protective magnetic field. By then, man should be spread far into the galaxy, if not beyond, or we will have built a shield to protect the earth from the radiation, as the magnetic field does now. It's nothing we need to worry about in the near future. You might want to ask again every few thousand years though.
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The sun is predicted to run out of hydrogen before that happens.
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So I guess that I have nothing to worry about.Like (1)
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No, you can still worry. The core is not a static thing. The magnetic field has been weakening and may reverse. The south Atlantic anomaly has grown and the magnetic poles themselves have been moving.
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yep, but not next month so don't worry about it.
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So I guess 2012 is true after all.
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Yes.
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Do you know how long it would take to happen?
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Not forever, but almost.
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It happened to Mars.
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yeah there is a probability that it will happen
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No, the Earth is hollow.
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ooo, do creatures live down there like in Jules Vern .....?
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I think their are some sort of amimals down their. But their are people, according to Admaral Byrd
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Best Answer (Chosen by Voting):
Posted by FordPrefect42 1 Nov 5th, 2012 at 9:56PM
The second law of thermodynamics sorta requires that it happen eventually, and I'm not sure about you, but I've never been good at resisting enthropy ;-)
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