News tagged with suns atmosphere
Wave power can drive Sun's intense heat
A new study sheds light on why the Sun's outer atmosphere, or corona, is more than 20 times hotter than its surface. The research, led by the National Center for Atmospheric Research (NCAR), may bring scientists a step closer ...
Space & Earth / Space Exploration
Jul 27, 2011 |
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Scientists see solar outburst in exquisite detail
(PhysOrg.com) -- The largest disturbances to the Earth's geomagnetic environment occur when it is buffeted by solar material hurled in our direction by explosive changes in the Sun's atmosphere. These Coronal ...
Space & Earth / Space Exploration
Apr 20, 2011 |
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Plasmoids and sheaths mean success or failure for solar eruptions
Our Sun experiences regular eruptions of material into space, but solar physicists still have difficulty in explaining why these dramatic events take place. Now a group of scientists from the University of ...
Apr 19, 2011 |
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Geomagnetic storm subsiding
A geomagnetic storm that sparked auroras around the Arctic Circle and sent Northern Lights spilling over the Canadian border into the United States on April 12, 2011 is subsiding. NOAA forecasters estimate ...
Space & Earth / Space Exploration
Apr 14, 2011 |
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What impact would sun dimming have on Earth's weather?
Solar radiation management projects, also known as sun dimming, seek to reduce the amount of sunlight hitting the Earth to counteract the effects of climate change. Global dimming can occur as a side-effect of fossil fuels ...
Space & Earth / Earth Sciences
Jan 24, 2011 |
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Annular solar eclipse observed by Hinode (w/ Video)
On January 4, the Hinode satellite captured these breathtaking images of an annular solar eclipse.
Space & Earth / Space Exploration
Jan 10, 2011 |
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Plasma jets are prime suspect in solar mystery
(PhysOrg.com) -- One of the most enduring mysteries in solar physics is why the Sun's outer atmosphere, or corona, is millions of degrees hotter than its surface. Now scientists believe they have discovered ...
Space & Earth / Space Exploration
Jan 06, 2011 |
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The many colors of the Kuiper Belt
(PhysOrg.com) -- The sun isn't kind to objects without atmospheres. Bombarded by solar radiation, the surfaces of some comets, for example, tend to be a charred carbon-black. But the 1,000 objects so far directly ...
Oct 29, 2010 |
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UD researcher on project team for NASA's first visit to the sun
A University of Delaware researcher is helping to design instruments for a robotic space probe that will go where no other has gone before: the sun.
Space & Earth / Space Exploration
Oct 06, 2010 |
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Researchers make magnetic fields breakthrough
(PhysOrg.com) -- Researchers at the University of Dundee have made a breakthrough in the study of magnetic fields, which enhances our understanding of how stars, including the Sun, work.
Aug 20, 2010 |
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NASA's New Eye on the Sun Delivers Stunning First Images (w/ Video)
(PhysOrg.com) -- NASA's recently launched Solar Dynamics Observatory, or SDO, is returning early images that confirm an unprecedented new capability for scientists to better understand our sun’s dynamic processes. ...
Space & Earth / Space Exploration
Apr 21, 2010 |
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Magnetic 'ropes' tie down solar eruptions (w/ Video)
(PhysOrg.com) -- Using data from the Hinode spacecraft, a team of researchers from University College London (UCL) have revealed an immense magnetic structure that erupted to produce a dramatic solar eruption ...
Apr 12, 2010 |
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Triton's summer sky of methane and carbon monoxide
According to the first ever infrared analysis of the atmosphere of Neptune's moon Triton, summer is in full swing in its southern hemisphere. The European observing team used ESO's Very Large Telescope and ...
Space & Earth / Space Exploration
Apr 07, 2010 |
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Researcher unravels one of geology's great mysteries
Danish researcher has solved one of the great mysteries of our geological past: Why the Earth's surface was not one big lump of ice four billion years ago when sun radiation was much weaker than today. Scientists have presumed ...
Space & Earth / Earth Sciences
Mar 31, 2010 |
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A bubbling ball of gas (w/ Video)
The Sun is a bubbling mass. Packages of gas rise and sink, lending the sun its grainy surface structure, its granulation. Dark spots appear and disappear, clouds of matter dart up - and behind the whole thing ...
Space & Earth / Space Exploration
Nov 11, 2009 |
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