The sun is our nearest star and the source of all our light and heat on Earth but recent reports have highlighted an ongoing steep decline in solar activity.
Space Exploration
Jan 22, 2014
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With the launch of ESA's Swarm trio set for 14 November, the first satellite has arrived safely at the Plesetsk Cosmodrome in Russia. This new mission will unravel one of the most mysterious aspects of our planet: the magnetic ...
Space Exploration
Sep 20, 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) —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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Streaming into the solar system at nearly the speed of light, galactic cosmic rays (GCRs) are a high-energy mix of protons, electrons, and atomic nuclei. As they pass into reach of the outflowing solar wind, the propagation ...
Space Exploration
Nov 13, 2012
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(PhysOrg.com) -- This July, for a thrilling eight minutes, NASA researchers will get a peek at one of the sun's most mysterious regions.
Space Exploration
Aug 2, 2010
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(PhysOrg.com) -- The Japanese Hinode spacecraft that launched in September 2006 contains the Extreme-ultraviolet Imaging Spectrometer (EIS), which provides measurements of properties of the solar corona such as its temperature, ...
Space Exploration
Jun 25, 2010
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Russian scientists acknowledged Monday that solar research satellite Koronas-Foton has been lost due to technical problems, barely a year after its launch.
Space Exploration
Apr 19, 2010
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A link between low solar activity and jet streams over the Atlantic could explain why, despite global warming trends, people in regions North East of the Atlantic Ocean might need to brace themselves for more frequent cold ...
Environment
Apr 15, 2010
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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.
Astronomy
Dec 11, 2009
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