News tagged with radii
Scientists make first-ever observations of comet's demise deep inside solar atmosphere
On July 6, 2011, a comet was caught doing something never seen before: die a scorching death as it flew too close to the sun. That the comet met its fate this way was no surprise – but the chance to watch ...
Space & Earth / Space Exploration
Jan 19, 2012 |
4.6 / 5 (8) |
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ESA chooses 3 scientific missions for further study
Dark energy, habitable planets around other stars, and the mysterious nature of our own Sun, have been chosen by ESA as candidates for two medium-class missions to be launched no earlier than 2017.
Space & Earth / Space Exploration
Feb 19, 2010 |
2 / 5 (3) |
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Scientists Make First Observation of Unique Rydberg Molecule
(PhysOrg.com) -- When Enrico Fermi investigated the Rydberg atom in the '30s, he never imagined that the giant atoms could form molecules. Later, in the '70s and '80s, theoretical physicist Chris Greene predicted ...
Apr 28, 2009 |
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An impossible alloy now possible
What has been impossible has now been shown to be possible - an alloy between two incompatible elements. The findings are being published in this week's edition of Proceedings of the National Academy of Science, USA.
Feb 26, 2009 |
4.5 / 5 (21) |
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2012 BX34: Behind the scenes in the discovery of a near Earth asteroid
Several blockbuster movies, television shows and commercials have depicted the discovery of an asteroid heading towards Earth and usually, somehow, impending doom is averted. But how do the discoveries of ...
Space & Earth / Space Exploration
Feb 02, 2012 |
5 / 5 (2) |
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Scientists help define structure of exoplanets
Using models similar to those used in weapons research, scientists may soon know more about exoplanets, those objects beyond the realm of our solar system.
Feb 01, 2012 |
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Can Earth-sized planets survive their star's expansion?
Two Earth-sized planets have been discovered circling a dying star that has passed the red giant stage. Because of their close orbits, the planets must have been engulfed by their star while it swelled up ...
Dec 21, 2011 |
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Silk microneedles deliver controlled-release drugs painlessly
Bioengineers at Tufts University School of Engineering have developed a new silk-based microneedle system able to deliver precise amounts of drugs over time and without need for refrigeration. The tiny needles can be fabricated ...
Dec 21, 2011 |
4.8 / 5 (5) |
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SETI search resumes at allen telescope array, targeting new planets
(PhysOrg.com) -- The Allen Telescope Array (ATA) is once again searching planetary systems for signals that would be evidence of extraterrestrial intelligence. Among its first targets are some of the exoplanet ...
Space & Earth / Space Exploration
Dec 06, 2011 |
5 / 5 (1) |
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New planet -- Kepler-21b -- discovered
(PhysOrg.com) -- The NASA Kepler Mission is designed to survey a portion of our region of the Milky Way Galaxy to discover Earth-size planets in or near the “habitable zone,” the region in a planetary ...
Nov 30, 2011 |
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The methane habitable zone
In the search for life elsewhere, many studies focus on finding liquid water. But what if life could exist with some other solvent? Saturn’s smoggy moon Titan makes scientists question the possibilities ...
Space & Earth / Space Exploration
Nov 11, 2011 |
4.9 / 5 (16) |
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From the comfort of home, Web users may have found new planets
Since the online citizen science project Planet Hunters launched last December, 40,000 web users from around the world have been helping professional astronomers analyze the light from 150,000 stars in the ...
Sep 22, 2011 |
5 / 5 (4) |
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European researchers driving road safety
Safety while driving is paramount, and Europeans are making efforts to ensure our well-being in vehicles - whether we are behind the steering wheel or in a passenger seat. The project partners have pushed ...
Aug 09, 2011 |
1 / 5 (1) |
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First observational test of the 'multiverse'
The theory that our universe is contained inside a bubble, and that multiple alternative universes exist inside their own bubbles – making up the 'multiverse' – is, for the first time, being tested by physicists.
Aug 03, 2011 |
4.1 / 5 (34) |
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