News tagged with radial velocities
Exoplanets Clue to Sun's Curious Chemistry
23 hours ago |
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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 |
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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 |
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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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Magellanic Clouds May Be Just Passing Through
Jan 09, 2007 |
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The Large Magellanic Cloud (LMC) and Small Magellanic Cloud (SMC) are two of the Milky Way's closest neighboring galaxies. Both are visible only in the southern hemisphere. By studying their orbits, astronomers ...
Pinning down the Milky Way's spin
Sep 19, 2008 |
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New, very precise measurements have shown that the rotation of the Milky Way is simpler than previously thought. A remarkable result from the most successful ESO instrument HARPS, shows that a much debated, ...
Transit Search Finds Super-Neptune
Jan 20, 2009 |
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(PhysOrg.com) -- Astronomers at the Harvard-Smithsonian Center for Astrophysics have discovered a planet somewhat larger and more massive than Neptune orbiting a star 120 light-years from Earth. While Neptune ...
Hurricane Ike tracked by ESA's Envisat
Space & Earth / Earth Sciences
Sep 11, 2008 |
3 / 5 (3) |
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(PhysOrg.com) -- Residents along the Gulf Coast are bracing for Hurricane Ike as it travels over the Gulf of Mexico after ripping through Cuba and Haiti. ESA's Envisat satellite is tracking the storm, which ...
Precise orbit determination for Jason-1 satellite using on-board GPS data with centimeter-level accuracy
Space & Earth / Space Exploration
Feb 02, 2009 |
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The Jason-1 satellite obits have been computed using the on-board GPS data and the SHORDE-III procedure. Various orbit validations, including comparison with the Precise Orbit Ephemeris produced by JPL, orbit overlaps, and ...
Exercise better than shockwave treatment for chronic shoulder pain
Sep 16, 2009 |
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Supervised exercises are more effective than shockwave treatment to relieve chronic shoulder pain, finds a study published in British Medical Journal today.
Identification of dopamine 'mother cells' could lead to future Parkinson's treatments
Apr 07, 2008 |
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‘Mother cells’ which produce the neurons affected by Parkinson’s disease have been identified by scientists, according to new research published in the journal Glia.
Timing is everything: Growth factor keeps brain development on track
Medicine & Health / Neuroscience
Jul 15, 2009 |
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Just like a conductor cueing musicians in an orchestra, Fgf10, a member of the fibroblast growth factor (Ffg) family of morphogens, lets brain stem cells know that the moment to get to work has arrived, ensuring ...
PCI preference -- will that be an arm or a leg?
Jul 19, 2008 |
5 / 5 (5) |
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When it comes to stenting – using metal tubes to prop open blocked arteries – physicians are continuing to choose to gain entry to the circulatory system through an opening in the leg instead of the arm, even though the latter ...
New study pinpoints gene controlling number of brain cells (w/ Video)
Medicine & Health / Neuroscience
Oct 04, 2009 |
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In populating the growing brain, neural stem cells must strike a delicate balance between two key processes - proliferation, in which the cells multiply to provide plenty of starting materials - and differentiation, in which ...
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