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SUNDAY, NOVEMBER 8, 2009
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NEWS ABOUT: molten rock

molten rock stories: 2 news summaries

 Mercury Is Shrinking   

Messenger spacecraft reveals planets core still molten

Jul 3, 08 6:35 PM CDT
(Newser) - The planet Mercury is shrinking, the LA Times reports. Data from NASA’s Mercury Messenger spacecraft reveal that the planet’s diameter has shrunk by a mile over its history, probably because its core is cooling. Messenger flew in for a close-up in January, and scientists are now piecing together... More »

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NASA • planet • Earth • solar system • scientist • magnetic field • Mercury • molten rock

Earth's Mystery Core Plumbed

Japanese geophysicist floats theory of lifecycle for Earth's plates

Jan 27, 08 9:32 AM CST
(Newser) - Climate change has sparked heated debate about the Earth’s surface, but a controversial new theory is directing scientists to its core, Der Spiegel reports. To explain why contintental plates drift on the surface of the Earth's molten mantle, Maruyama Shigenori, a leading geophysicist, argues that continents actually have... More »

MORE ABOUT:
Japan • Earth • geology • continents • life cycle • Maruyama Shigenori • tectonic plates • volcanoes • molten rock • Earth's interior

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