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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Four of the six instruments that will fly on the first Geostationary Operational Environmental Satellite R-Series (GOES-R) were delivered to Lockheed Martin in Denver for integration onto the spacecraft bus this month. This ...
Space Exploration
Feb 26, 2014
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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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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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The first powerful "X-class" solar flare of 2014, in association with another solar phenomenon, a giant cloud of solar particles known as a coronal mass ejection (CME), erupted from the sun on Tuesday, sending radiation and ...
Space Exploration
Jan 9, 2014
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An enormous sunspot, labeled AR1944, slipped into view over the sun's left horizon late on Jan. 1, 2014. The sunspot steadily moved toward the right, along with the rotation of the sun, and now sits almost dead center, as ...
Space Exploration
Jan 7, 2014
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A massive ejection of material from the sun initially traveling at over 7 million miles per hour that narrowly missed Earth last year is an event solar scientists hope will open the eyes of policymakers regarding the impacts ...
Space Exploration
Dec 9, 2013
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This visualization shows the position of the sun's magnetic fields from January 1997 to December 2013. The field lines swarm with activity: The magenta lines show where the sun's overall field is negative and the green lines ...
Space Exploration
Dec 9, 2013
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I'm writing this at 1:30 a.m. running on what's powering the sky over northern Minnesota right now – auroral energy. Even at this hour, rays are still sprouting in the southern sky and the entire north is milky blue-white ...
Space Exploration
Oct 2, 2013
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(Phys.org) —Shifts in the magnetic field just above the surface of the Sun lead to liftoff of interplanetary "space storms," according to new results from the Synoptic Optical Long-Term Investigation of the Sun (SOLIS) ...
Space Exploration
Jul 11, 2013
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