Browse Archive
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Study the Sun During Solar Week - March 19-23, 2012
03.08.12 - Solar Week provides a week-long series of web-based educational activities for classrooms about our magnetic variable star, the sun, and its interactions with Earth and the solar system.
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Big Sunspot Remains Active
03.13.12 - On March 13, 2012, the sun erupted with an M7.9-class flare from the same region that has been producing flares and coronal mass ejections all week.
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Moderate Geomagnetic Storm at Earth
03.12.12 - Geomagnetic storms at Earth are currently at a rating of G2 (moderate) on a scale of G1 to G5.
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Geomagnetic Storm Strength Increases
03.09.12 - Geomagnetic storms due to CMEs earlier in the week have increased in strength, and are now rated a G3 on a scale from G1 to G5.
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Active Region on the Sun Spits Out Three Flares
03.05.12 - On March 2, 2012 a new active region on the sun, region 1429, rotated into view. Since arriving, it has let loose two M-class flares on March 2 and 4 and one X1 class flare this morning.
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New NASA Space Weather App for Android
02.28.12 - NASA has developed a space weather app for Android users that provided access to some of the cutting-edge technology that our scientists use to track space weather.
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Partial Solar Eclipse from Space
02.22.12 - The Moon moves between the Solar Dynamics Observatory satellite and the Sun, producing a partial solar eclipse from space.
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The Sun As Art
02.06.12 - A new interactive NASA art exhibit opens February 9 at the Maryland Science Center in Baltimore that will showcase stunning images of the sun.
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X1.8 Solar Flare and CME - 01.27.12
01.27.12 - Sunspot 1402 fires a parting shot as it rotates around the edge of the sun -- an X1.8 class solar flare and CME.
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01.23.12: M8.7 Solar Flare and Earth Directed CME-UPDATED
01.25.12 - The sun erupted late on January 22, 2012 with an M8.7 class flare, an earth-directed coronal mass ejection (CME).
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01.19.2012-Long Duration M3.2 Class Solar Flare and CME
01.19.12 - After a two month respite from Earth-directed solar events, the Sun sends an M3.2 class flare and CME our way.
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Gerald Soffen Lecture Series: Dr. Holly Gilbert - Unlocking the Secrets of the Sun
On Thursday, Jan. 12, 2012, Dr. Holly Gilbert will discuss the amazing strides scientists have made in understanding the inner workings of our sun over the last 50 years. The lecture will start promptly at 7 p.m., and registration in advance is required.
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Heliophysics at AGU: December 2011
12.02.11 - NASA's Heliophysics Division's workshop for the Fall 2011 AGU meeting: "Getting Ready for Solar Max: Separating Fact from Fiction on Impacts of Space Weather".
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A 360 Degree View of an X-class Flare and A CME
11.04.11 - The sun sent out two different kinds of solar activity on November 3, 2011 in different directions: an X.19 solar flare and a particularly bright CME.
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NASA Chat: The Sun Has a 'Cirtain' Flare
10.27.11 - While our sun is usually a kind and beneficial space neighbor, we sometimes feel its "moodiness" here on Earth. On Oct. 27, NASA expert Dr. Jonathan Cirtain answered your questions about the sun.
› Chat Transcript (PDF, 312 Kb)