Decompressing Earth vs. Plate Tectonics - Dr. Marvin Herndon, Geochemist

What if plate tectonics isn't settled science? Consensus suggests
 Earth's crust has been going through relatively constant
supercontinent cycles for as long as there has been a solid
crust. There are all kinds of measurements and experiments that
seem to confirm this observation - but there are whose who insist
that the ancient history of the Earth is not what it seems.
Rather than being formed as a molten ball of naked space goo,
condensed from the sun's protoplanetary disk, it's possible that
the Earth formed hot and gassy - like Jupiter, or the sizzling
gas giants that Kepler is regularly finding in close solar
orbits.   

If that's possible - and our recent conversation with NASA's Don
Pettit suggests there is a solid line of evidence here - how does
that change our understanding of the Earth? Enter Dr. J. Marvin
Herndon, who proposes the history of our planet is a history of
decompression. In this episode of the DemystifySci podcast, he
takes us through his theory and, along the way, explains
everything from the composition of the inner core, to the
generation of the magnetic field, to the reason that the surface
of the Earth looks the way it does.   

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PODCAST INFO:  Anastasia completed her PhD studying
microbial communication at Columbia University. When not talking
to brilliant people or making movies, she spends her time
painting and exploring the woods. Michael Shilo also did his PhD
at Columbia studying the elastic properties of molecular water.
When he's not in the film studio, he's exploring sound in music.
They are both freelance professors at various universities.
  

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