An active region of the sun just rotating into the view of NASA's Solar Dynamics Observatory gives a profile view of coronal loops over about a two-day period, from Feb. 8-10, 2014.
Space Exploration
Feb 19, 2014
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Our sun is a steady and everlasting companion. Reliable like a clock, its apparent passage across the sky allows us to measure time. The sun and its path is also the source of Earth's seasons. But in many respects, our sun ...
Astronomy
Oct 26, 2023
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(PhysOrg.com) -- In a breakthrough that will help scientists unlock mysteries of the Sun and its impacts on Earth, an international team of scientists led by the National Center for Atmospheric Research (NCAR) has created ...
Space Exploration
Jun 18, 2009
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It seems logical enough that bad weather can sometimes cause birds to become disoriented during their annual fall migrations—causing them to wind up in territory they're unaccustomed to. But why, even when weather is not ...
Plants & Animals
Jan 13, 2023
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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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Solar Orbiter has spotted a "tube" of cooler atmospheric gases snaking its way through the sun's magnetic field. The observation provides an intriguing new addition to the zoo of features revealed by the ESA-led Solar Orbiter ...
Astronomy
Nov 14, 2022
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In a bid to unlock longstanding mysteries of the Sun, including the impacts on Earth of its 11-year cycle, an international team of scientists has successfully probed a distant star. By monitoring the star's sound waves, ...
Astronomy
Aug 26, 2010
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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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(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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Did you know the Northern lights or Aurora Borealis are created when the mythical Finnish "firefox" runs so quickly across the snow that its tail causes sparks to fly into the night sky?
Planetary Sciences
Sep 21, 2023
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