News tagged with corona
ESA's Tigers on prowl for solar corona's secrets
Space & Earth / Space Exploration
Dec 11, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- Bring together a small group of highly motivated researchers, grant them full access to laboratory and production facilities, remove all administrative distractions, and let them work intensively ...
Tiny Flares Responsible for Outsized Heat of Sun's Atmosphere
Aug 14, 2009 |
4.4 / 5 (9) |
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(PhysOrg.com) -- Solar physicists at NASA have confirmed that small, sudden bursts of heat and energy, called nanoflares, cause temperatures in the thin, translucent gas of the sun's atmosphere to reach millions ...
Scientists find giant solar twists
Mar 19, 2009 |
4.6 / 5 (10) |
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(PhysOrg.com) -- Scientists have, for the first time, detected giant twisting waves in the lower atmosphere of the Sun, shedding light on the mystery of the Sun's corona (the region around the Sun, extending ...
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Sun's corona is both hot and kinky
Mar 06, 2008 |
3 / 5 (4) |
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Astrophysicists are having a heated debate over the wave structure of the Sun’s Corona - a debate which may one day influence solar weather forecasting and the theory behind fusion reactors.
Warm Coronal Loops Offer Clue to Mysteriously Hot Solar Atmosphere
Space & Earth / Space Exploration
May 29, 2008 |
4.8 / 5 (10) |
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Scientists at NASA reveal a new understanding of the mysterious mechanism responsible for heating the outer part of the solar atmosphere, the corona, to million degree temperatures.
A New View of Coronal Waves
Dec 11, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- The corona is the hot outer region of the sun's atmosphere. The corona is threaded by magnetic fields that loop and twist upwards from the sun's surface, driven by motions of its dense atmosphere.
Science with the solar space observatory Hinode
Mar 20, 2008 |
4.7 / 5 (3) |
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The solar space observatory Hinode was launched in September 2006, with the name "Hinode" meaning sunrise in Japanese. The Hinode satellite carries a solar optical telescope (SOT), an X-ray telescope (XRT), ...
Skeleton Of Sun's Atmosphere Reveals Its True Nature
Apr 16, 2007 |
3.8 / 5 (17) |
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The Sun's outer atmosphere or corona is incredibly complex, as shown in observations from space. It is also extremely hot, with a temperature of over a million degrees by comparison with that of the Sun's ...
Scientists find elusive waves in sun's corona
Aug 30, 2007 |
4.3 / 5 (27) |
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Scientists for the first time have observed elusive oscillations in the Sun's corona, known as Alfvén waves, that transport energy outward from the surface of the Sun. The discovery is expected to give researchers ...
Scientists capitalize on extended solar eclipse
Space & Earth / Space Exploration
Jul 22, 2009 |
5 / 5 (1) |
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Scientists at this observatory outside Hangzhou joined residents and tourists across China and India in observing the longest total solar eclipse in a century and probably the most-viewed ever.
Hinode's X-Ray Telescope Reveals the Sun's Secrets
Mar 21, 2007 |
4.5 / 5 (35) |
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Even though the sun is the closest star to Earth and has been studied for hundreds of years, it still holds surprises. The recently launched Hinode spacecraft is one of the latest observatories to probe the ...
Scientists accurately simulate appearance of sun's corona during eclipse
Jun 26, 2006 |
4 / 5 (8) |
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The most true-to-life computer simulation ever made of our sun's multimillion-degree outer atmosphere, the corona, successfully predicted its actual appearance during the March 29, 2006, solar eclipse, scientists ...
The Spooky Sun
Oct 31, 2006 |
3.8 / 5 (14) |
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Just in time for Halloween, astronomers have taken a haunting new portrait of the sun. In this color-coded image from the Hinode spacecraft (formerly Solar-B), the sun glows eerily orange as though celebrating ...
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