Will the world explode?
Name: Burbank School
Will the world ever explode?
No. There would have to be something inside the Earth that was very hot, or
very radioactive. But the Earth is slowly cooling and does not appear to be
hot enough inside to explode. It is hot in the core, but not hot enough for
it to explode. It is hot enough to have volcanoes erupt, but that only
occurs at the plate edges.
Samuel P Bowen
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Update: June 2012