joi, 19 mai 2011

Earth's Core Is Melting ... and Freezing

- ScienceDaily (May 18, 2011) — The inner core of Earth is simultaneously melting and freezing due to circulation of heat in the overlying rocky mantle, according to new research from the University of Leeds, UC San Diego and the Indian Institute of Technology. Full story:

* Researchers Plan to Drill Deepest Ever Hole in the Earth... Update: Does The Earth Harbors a Huge, Natural Nuclear Reactor at its Core?... Vast oceans lay beneath surface of the Earth... FILM: Journey to the Hollow Earth... LiveScience (28 February 2007): Huge 'Ocean' Discovered Inside Earth... Apollo 8, Apollo 16 and Hollow Earth Theories: