An active region on the sun – an area of intense and complex magnetic fields – rotated into view on Oct. 18, 2014. Labeled AR 12192, it soon grew into the largest such region in 24 years, and fired off 10 sizable solar ...
Space Exploration
Oct 31, 2014
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Astronomers with the National Science Foundation (NSF)-funded National Optical Astronomy Observatory (NOAO) captured pictures not only of Thursday's partial solar eclipse, but also of the "monster" sized active region or ...
Space Exploration
Oct 27, 2014
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The sun has gone quiet. Almost too quiet. A few weeks ago it was teeming with sunspots, as you would expect since we are supposed to be in the middle of solar maximum-the time in the sun's 11-year cycle when it is the most ...
Space Exploration
Jul 21, 2014
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a magnetically strong and complex region on the sun's surface – has just appeared over the sun's horizon. This is the third trip for this region across the face of the sun, which takes approximately 27 days to make a complete ...
Space Exploration
Feb 28, 2014
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Adding on to a series of solar flares throughout October and November, the sun emitted another significant solar flare on Nov. 19, 2013, peaking at 5:26 a.m. EST. Solar flares are powerful bursts of radiation. Harmful radiation ...
Space Exploration
Nov 20, 2013
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After emitting its first significant solar flares since June 2013 earlier in the week, the sun continued to produce mid-level and significant solar flares on Oct. 27 and Oct. 28, 2013.
Space Exploration
Oct 28, 2013
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Researchers at the Universities of Leeds and Chicago have uncovered an important mechanism behind the generation of astrophysical magnetic fields such as that of the Sun.
Astronomy
May 22, 2013
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(Phys.org) —If your GPS navigation system goes on the fritz in the coming days, you might have the sun to blame. Early this week, the sun released four X-class solar flares, the strongest type of flare. Forecasters at the ...
Space Exploration
May 16, 2013
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(Phys.org) —Solar activity continued on May 14, 2013, as the sun emitted a fourth X-class flare from its upper left limb, peaking at 9:48 p.m. EDT.
Space Exploration
May 15, 2013
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(Phys.org) —Something unexpected is happening on the Sun. 2013 was supposed to be the year of "solar maximum," the peak of the 11-year sunspot cycle. Yet 2013 has arrived and solar activity is relatively low. Sunspot numbers ...
Space Exploration
Mar 8, 2013
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