I believe this theory. How else could the core stay so hot after millions of
years without an internal reaction?

Tony
"William Wixon" wrote in message
...

"Joseph Gwinn" wrote in message
...



I wish to report that the earth's core is made of almost pure
nickel-iron alloy, so the supply of iron from which to make our iron
toys is assured. All we have to do is to dig a thousand miles straight
down.

Joe Gwinn



"new" theory there's a natural atomic reactor at the center of the
nickel-iron core.

http://nuclearplanet.com/
http://sfgate.com/cgi-bin/article.cg...GPIA17BL45.DTL