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Exploring the mysteries of the Earth's core

Posted on Wednesday, 30 May, 2012 | Comment icon 11 comments | News tip by: Still Waters


Image credit: NASA

 
Author Jules Verne portrayed the Earth's core as an alien landscape, but what is really down there ?

While you aren't likely to find dinosaurs and giant mushrooms in the center of the planet, what is down there is every bit as strange. 1800 miles beneath our feet is a giant ball of iron the size of Mars where the pressure is 3.5 million times that of the surface and temperatures are as hot as the Sun.

New things are being learned about the inside of our planet all the time, recent research for example has highlighted that the outer layers of the core are frittering away heat through conduction up to three times faster than previously thought. "From what I can tell, people are excited," said Dr. Dario Alfč. "They see there might be a new mechanism going on they didn’t think about before."

"Geologists have long known that Earth’s core, some 1,800 miles beneath our feet, is a dense, chemically doped ball of iron roughly the size of Mars and every bit as alien."

  View: Full article

 Source: New York Times


  Discuss: View comments (11)

   


 
Recent comments on this story
Comment icon #2 Posted by la_paloma_blanca on 30 May, 2012, 15:29
Everbody knows Hades' kingdom is down there! :-p
Comment icon #3 Posted by gl5 on 30 May, 2012, 16:07
Why not go 2 thousand mile's deeper. Might be surprising what you might find.....
Comment icon #4 Posted by gl5 on 30 May, 2012, 16:09
Some ppl on 'creationworldview.com[or org]believe hell is, 3100 plus mile's down to there.
Comment icon #5 Posted by csspwns on 31 May, 2012, 1:11
either molten lava is down there or hell. take your pick. hell or lava?
Comment icon #6 Posted by Framling on 31 May, 2012, 2:46
either molten lava is down there or hell. take your pick. hell or lava? depends on your definition of hell. But the bible hell sounds alot like it -eternal fire and burning in hell...so who knows? Maybe satan has a lava spa down there.
Comment icon #7 Posted by 27vet on 31 May, 2012, 6:10
Perhaps this discussion should go in the religion forum.
Comment icon #8 Posted by skydog on 1 June, 2012, 2:10
religion smelligion,what about if the world was like a giant geode,gravity forcing the mass outwards crystaline innards.Or a central heat source that has bubbled away an inner-tube,if you like,a big old space where the real business of running earth goes on.Oblivious to the land of Nod(the surface).Infact,my best guess is we are little more than a conservation project up here on the surface.
Comment icon #9 Posted by Rhincewind on 1 June, 2012, 22:04
I suggest you all watch a dr who episode called 'inferno' In it scientists tried to drill to the core looking for a new fuel. In one reality they drilled through the core and destroyed the planet. in the other. they stopped just in time
Comment icon #10 Posted by 27vet on 1 June, 2012, 22:18
Thanks I do have the first few seasons of Dr Who. Will check it out.
Comment icon #11 Posted by Rhincewind on 3 June, 2012, 10:31
it was the 3rd Doctors forth story


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