Why is lava so hot?
is hot for two primary reasons:
Pressure and radiogenic heating make it very hot deep in the Earth (about 100 km down) where rocks melt to make
The rock around the magma is a good insulator so the magma doesn't lose much heat on the way to the surface.
VW is a higher education, k-12, and public outreach project of the
Oregon Space Grant Consortium
administered through the
Department of Geosciences
at Oregon State University.
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