News tagged with liquid core
X-rays of synthesized moon rocks illuminate the interior of the Moon
Contrary to Earth, our Moon has no active volcanoes, and the traces of its past volcanic activity date from billions of years ago. This is surprising, because recent Moonquake data suggest that there is plenty ...
Space & Earth / Space Exploration
Feb 19, 2012 |
4.5 / 5 (2) |
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Earth's outer core deprived of oxygen: study
The composition of the Earth's core remains a mystery. Scientists know that the liquid outer core consists mainly of iron, but it is believed that small amounts of some other elements are present as well. Oxygen ...
Space & Earth / Earth Sciences
Nov 23, 2011 |
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Exploring the last white spot on Earth: ESRF inaugurates unique new X-ray facility
Scientists will soon be exploring matter at temperatures and pressures so extreme it can only be produced for microseconds using powerful pulsed lasers. Matter in such states is present in the Earth's liquid ...
Nov 10, 2011 |
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Ancient lunar dynamo may explain magnetized moon rocks
The presence of magnetized rocks on the surface of the moon, which has no global magnetic field, has been a mystery since the days of the Apollo program. Now a team of scientists has proposed a novel mechanism ...
Space & Earth / Space Exploration
Nov 09, 2011 |
4.9 / 5 (8) |
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Plate tectonics may control reversals in the Earth's magnetic field
The Earth's magnetic field has reversed many times at an irregular rate throughout its history. Long periods without reversal have been interspersed with eras of frequent reversals. What is the reason for these reversals ...
Space & Earth / Earth Sciences
Oct 24, 2011 |
4 / 5 (1) |
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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 ...
Space & Earth / Earth Sciences
May 18, 2011 |
4.6 / 5 (13) |
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Going to Earth's core for climate insights
(PhysOrg.com) -- The latest evidence of the dominant role humans play in changing Earth's climate comes not from observations of Earth's ocean, atmosphere or land surface, but from deep within its molten core.
Space & Earth / Earth Sciences
Mar 10, 2011 |
4.2 / 5 (18) |
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Planetary magnetic fields: The hunt for better models
Some three thousand kilometers below the surface of the Earth and with temperatures reaching those at the surface of the sun, the core of our home planet is no more within our physical reach today than it ...
Space & Earth / Space Exploration
Nov 25, 2010 |
4.9 / 5 (10) |
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As the World Churns
(PhysOrg.com) -- "Terra firma." It's Latin for "solid Earth." Most of the time, at least from our perspective here on the ground, Earth seems to be just that: solid. Yet the Earth beneath our feet is actually ...
Space & Earth / Earth Sciences
Dec 28, 2009 |
4.4 / 5 (19) |
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