News tagged with rocky mantle
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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Scientist's Award Allows Her To Probe the Earth's Mantle
(PhysOrg.com) -- Sandwiched between the liquid iron outer core and the thin rocky crust we live on, the Earth's mantle is more than 1,800 miles thick, and comprises more than three-quarters of the planet's volume and nearly ...
Space & Earth / Earth Sciences
Jun 11, 2010 |
4.8 / 5 (4) |
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Flow in Earth's mantle moves mountains: study
If tectonic plate collisions cause volcanic eruptions, as every fifth grader knows, why do some volcanoes erupt far from a plate boundary?
Space & Earth / Earth Sciences
Jun 02, 2010 |
3.7 / 5 (11) |
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The greenhouse gas that saved the world
When Planet Earth was just cooling down from its fiery creation, the sun was faint and young. So faint that it should not have been able to keep the oceans of earth from freezing. But fortunately for the creation of life, ...
Space & Earth / Earth Sciences
Aug 18, 2009 |
3.6 / 5 (9) |
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Search results for rocky mantle
Four white dwarf stars caught in the act of consuming 'earth-like' exoplanets
University of Warwick astrophysicists have pinpointed four white dwarf stars surrounded by dust from shattered planetary bodies which once bore striking similarities to the composition of the Earth. The scientists ...
May 03, 2012 |
5 / 5 (12) |
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Building blocks of early Earth survived collision that created moon
Unexpected new findings by a University of Maryland team of geochemists show that some portions of the Earth's mantle (the rocky layer between Earth's metallic core and crust) formed when the planet was much smaller than it is now, an ...
Space & Earth / Earth Sciences
Feb 18, 2012 |
5 / 5 (5) |
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New research suggests North American continent is a slow eroder
(PhysOrg.com) -- When looking at the great expanse of the whole of North America, it’s difficult to not see it all as a relatively permanent plot of land between the Pacific and Atlantic oceans. It doesn’t ...
Space & Earth / Earth Sciences
Jan 06, 2012 |
4.8 / 5 (5) |
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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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Cosmic voyager has a layover in St. Louis
Last January two amateur meteorite hunters dropped by Randy Korotev's office at Washington University in St. Louis to show him their latest purchase, a 17-kilogram pallasite meteorite found in 2006 near Conception ...
Space & Earth / Space Exploration
Nov 10, 2011 |
5 / 5 (2) |
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Meteorites from 2008 TC3 still giving up their secrets
It was an unprecedented event: On October 6, 2008, asteroid 2008 TC3 was spotted by the Catalina Sky Survey Telescope in Arizona. Plotting its trajectory, astronomers knew the 80-ton rock was heading for a ...
Space & Earth / Space Exploration
Nov 01, 2011 |
5 / 5 (2) |
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Faraway Eris is Pluto's twin: Dwarf planet sized up accurately as it blocks light of faint star
(PhysOrg.com) -- Astronomers have measured the diameter of the dwarf planet Eris by catching it as it passed in front of a faint star. This was seen by telescopes in Chile, including the TRAPPIST telescope ...
Oct 26, 2011 |
4.9 / 5 (15) |
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Mission to mysterious Uranus
Scientists want to send an orbiter and probe to the ice giant planet Uranus, but do the resources exist to support such an ambitious project?
Space & Earth / Space Exploration
Oct 12, 2011 |
5 / 5 (7) |
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Almahata Sitta meteorites could come from triple asteroid mash-up
(PhysOrg.com) -- Analysis of fragments of the Almahata Sitta meteorite, which landed in Sudan in 2008, has shown that the parent asteroid was probably formed through collisions of three different types of ...
Space & Earth / Space Exploration
Oct 07, 2011 |
5 / 5 (3) |
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Reservoirs of ancient lava shaped Earth
Geological history has periodically featured giant lava eruptions that coat large swaths of land or ocean floor with basaltic lava, which hardens into rock formations called flood basalt. New research from Matthew Jackson ...
Space & Earth / Earth Sciences
Jul 27, 2011 |
4.7 / 5 (6) |
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List of search results for rocky mantle
