News tagged with rocky mantle

Magnetic memories of a metal world

4.5 billion years ago in the violent, high-speed environment of the early solar system, a protoplanet roughly the size of Mars was involved in a series of fierce collisions with other large planetary bodies.

dateJun 22, 2017 in Space Exploration
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Vesta—Ceres' little sister

Only around 60 million kilometres closer to the Sun than Ceres, another large rock is orbiting in the remote asteroid belt: Vesta. Although its diameter of approximately 530 kilometres makes it a bit too small to be counted ...

dateApr 21, 2015 in Space Exploration
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Earth's inner core is melting... and freezing

The inner core of the 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 ...

dateMay 18, 2011 in Earth Sciences
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