News tagged with radial velocities
Exoplanets Clue to Sun's Curious Chemistry
Nov 11, 2009 |
4.6 / 5 (21) |
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(PhysOrg.com) -- A ground-breaking census of 500 stars, 70 of which are known to host planets, has successfully linked the long-standing "lithium mystery" observed in the Sun to the presence of planetary systems. ...
32 New Exoplanets Found (w/ Video)
Oct 19, 2009 |
4.9 / 5 (27) |
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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 ...
Brian May, guitarist for rock band Queen, completes Ph.D. thesis following 30-year hiatus
Space & Earth / Space Exploration
Jul 31, 2008 |
4.5 / 5 (24) |
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Brian May, the guitarist and founding member of the legendary rock band Queen, earned his PhD in astronomy last year from Imperial College London. His PhD thesis A Survey of Radial Velocities in the Zodiacal Dust Cloud has ju ...
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Close-up photos of dying star show our sun's fate (w/ Video)
19 hours ago |
4.9 / 5 (16) |
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(PhysOrg.com) -- About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet ...
New planet discoveries suggest low-mass planets are common around nearby stars (w/ Video)
Dec 14, 2009 |
4.8 / 5 (17) |
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(PhysOrg.com) -- An international team of planet hunters has discovered as many as six low-mass planets around two nearby Sun-like stars, including two "super-Earths" with masses 5 and 7.5 times the mass of ...
Life after silicon: Using exotic materials to help microchips keep improving
Dec 08, 2009 |
4.5 / 5 (8) |
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(PhysOrg.com) -- The huge increases in the power and capacity of computers, cell phones and communications networks in the last 40 years have been the result of ever-shrinking silicon transistors. But silicon ...
New imaging technique reveals different heart motions by age, gender
Dec 08, 2009 |
not rated yet |
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Using a new noninvasive imaging technique, scientists said they have discovered important, fundamental differences in heart motion by age and gender.
Crime scene measurements can be taken from a single image
Technology / Computer Sciences
Dec 01, 2009 |
3 / 5 (1) |
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Two researchers from the University of Salamanca have developed a procedure to enable forensic police to extract metric data from crime scenes using just a single photograph. Their proposal, published this ...
Atomic-level Snapshot Catches Protein Motor in Action (w/ Video)
Nov 20, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- The atomic-level action of a remarkable class of ring-shaped protein motors has been uncovered by researchers with the Lawrence Berkeley National Laboratory using a state-of-the-art protein ...
Hunting for Planets in the Dark
Nov 19, 2009 |
4.8 / 5 (5) |
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A proposed space mission that aims to measure dark energy could also detect planets that current surveys are unable to find.
Discovery of a Retrograde or Highly Tilted Extrasolar Planet
Nov 18, 2009 |
4.8 / 5 (6) |
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Astronomers have found that the extrasolar planet HAT-P-7b has a retrograde or highly tilted orbit. Studying such planets is important in understanding the diversity of planetary systems and assessing current ...
Bacterial 'ropes' tie down shifting Southwest
Nov 17, 2009 |
4.4 / 5 (5) |
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Researchers from Arizona State University have discovered that several species of microbes (cyanobacteria), at least one found prominently in the deserts of the Southwest, have evolved the trait of rope-building ...
Researchers use trident laser to accelerate protons to record energies
Nov 02, 2009 |
4.8 / 5 (8) |
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An international team of physicists at Los Alamos National Laboratory has succeeded in using intense laser light to accelerate protons to energies never before achieved. Using this technique, scientists can ...
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