Mount Etna eruption caught in stunning pictures / General Science and Electronics / Forums

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Mount Etna eruption caught in stunning pictures

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LAN_403

Proud Mary

Thu Feb 09 2012, 04:08PM

Registered Member #543 Joined: Tue Feb 20 2007, 04:26PM
Location: UK
Posts: 4992

haxor5354

Thu Feb 09 2012, 11:13PM

Registered Member #2063 Joined: Sat Apr 04 2009, 03:16PM
Location: Toronto
Posts: 352

alwsys wondered what makes the center of the earth so hot. is it just from pressure alone?

Turkey9

Fri Feb 10 2012, 07:26AM

Registered Member #1451 Joined: Wed Apr 23 2008, 03:48AM
Location: Boulder, Co
Posts: 661

Radioactive isotopes decaying is the main source of the heat.

PSCG

Fri Feb 10 2012, 01:20PM

Registered Member #3792 Joined: Sun Mar 27 2011, 06:07PM
Location:
Posts: 136

Also, a small portion of the heat is preserved from the first time the Earth was formatted into a planet.

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