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China tries to calm unease over rare earths curbs
Sep 03, 2009 |
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(AP) -- A Chinese official tried to calm unease about curbs on exports of rare earths used in clean energy products and superconductors, saying Thursday that sales will continue but must be limited to reduce damage to China's ...
'Super Earths' Will Have Plate Tectonics, Scientists Predict
Nov 21, 2007 |
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The discoveries of large Earth-like planets outside our Solar System, so-called “super-Earths,” has prompted much speculation about just how Earth-like they may be. Recently, scientists from Harvard University suggested that ...
Some Super-Earths Form in Super Snowstorms
Oct 11, 2006 |
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The 200 known planets that orbit other stars exhibit incredible variety. Among them are a handful of worlds that weigh between 5 and 15 times Earth. Astronomers believe these "super-Earths" are rocky iceballs rather than ...
A trio of super-Earths
Jun 16, 2008 |
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Today, at an international conference, a team of European astronomers announced a remarkable breakthrough in the field of extra-solar planets. Using the HARPS instrument at the ESO La Silla Observatory, they ...
Rare earths are vital, and China owns them all
Space & Earth / Earth Sciences
Sep 28, 2009 |
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Rare earths may not be on most investors' radars, but they are certainly in almost any high-tech item they use -- and in the world of rare earths, China is king.
Earth: A Borderline Planet for Life?
Jan 09, 2008 |
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Our planet is changing before our eyes, and as a result, many species are living on the edge. Yet Earth has been on the edge of habitability from the beginning. New work by astronomers at the Harvard-Smithsonian ...
Animal magnetism provides a sense of direction
Biology /
Feb 27, 2008 |
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They may not be on most people’s list of most attractive species, but bats definitely have animal magnetism. Researchers from the Universities of Leeds and Princeton have discovered that bats use a magnetic substance in their ...
Europium discovery: New element found to be a superconductor
May 13, 2009 |
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(PhysOrg.com) -- Of the 92 naturally occurring elements, add another to the list of those that are superconductors. James S. Schilling, Ph.D., professor of physics in Arts & Sciences at Washington University ...
32 New Exoplanets Found (w/ Video)
Oct 19, 2009 |
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(PhysOrg.com) -- Today, at an international ESO/CAUP exoplanet conference in Porto, the team who built the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO's 3.6-metre ...
Forming super-Earths by ultraviolet stripping
Jun 07, 2006 |
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A new explanation for forming "super-Earths" suggests that they are more likely to be found orbiting red dwarf stars--the most abundant type of star--than gas giant planets like Jupiter and Saturn. The theory, ...
Tides Have Major Impact on Planet Habitability
Oct 13, 2008 |
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(PhysOrg.com) -- Astronomers searching for rocky planets that could support life in other solar systems should look outside, as well as within, the so-called "habitable zone," University of Arizona planetary ...
Superior Super Earths
Space & Earth / Space Exploration
Nov 30, 2009 |
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Super Earths are named for their size, but these planets - which range from about 2 to 10 Earth masses - could be superior to the Earth when it comes to sustaining life. They could also provide an answer to ...
HARPS-NEF to comb Kepler targets for new Earths
Apr 20, 2009 |
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Astronomers have announced plans to build an ultra-stable, high-precision spectrograph for the Science and Technology Facilities Council's 4.2-m William Herschel Telescope (WHT - part of the Isaac Newton Group ...
A new era in search for 'sister Earths'?
Jul 25, 2008 |
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Research presented at a recent astronomical conference is being hailed as ushering in a new era in the search for Earth-like planets by showing that they are more numerous than previously thought and that ...
Polar Crown Prominences
Sep 18, 2008 |
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Warning: Material contained in this story may make you wish to become a solar physicist. Japan's Hinode spacecraft, launched in 2006 on a mission to study the sun, is beaming back movies that astonish even ...
