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NASA Sees Sun Emit a Mid-Level Flare
November 13, 2012 — On Nov. 13, 2012, the sun emitted a mid-level solar flare, peaking at 9:04 pm EST. This flare is classified as an M6 flare. M-class flares are the weakest flares that can still cause some space ... > full story -
NASA's SAMPEX Mission: A Space Weather Warrior
November 1, 2012 — NASA's very first small explorer, the Solar, Anomalous, and Magnetospheric Particle Explorer or SAMPEX, was launched July 3, 1992 to study the zoo of particles and cosmic rays surrounding Earth. ... > full story -
Next-Generation X-Ray Telescope Ready to Fly
November 1, 2012 — Those who watch the sun are regularly treated to brilliant shows -- dancing loops of solar material rise up, dark magnetic regions called sunspots twist across the surface, and dazzling flares of ... > full story -
Asteroid Belts of Just the Right Size Are Friendly to Life
November 1, 2012 — Solar systems with life-bearing planets may be rare if they are dependent on the presence of asteroid belts of just the right mass, according to a new study. Researchers suggest that the size and ... > full story -
Earth's Magnetosphere Behaves Like a Sieve
October 24, 2012 — Our protective magnetic bubble lets the solar wind in under a wider range of conditions than previously believed. Earth’s magnetic field is our planet’s first line of defense against the ... > full story -
NASA Sees Active Region on the Sun Emit Another Flare
October 23, 2012 — The sun emitted a significant solar flare on Oct. 22, 2012, peaking at 11:17 pm EDT. The flare came from an active region on the left side of the sun that has been numbered AR 1598, which has already ... > full story -
Getting NASA's Solar Dynamic Observatory Into Focus
October 5, 2012 — From Sept. 6 to Sept. 29, 2012, NASA's Solar Dynamic Observatory (SDO) moved into its semi-annual eclipse season, a time when Earth blocks the telescope's view of the sun for a period of time each ... > full story -
The Science Behind Those Eye-Popping Northern Lights
October 2, 2012 — Stormy weather on the sun drives the glistening aurorae in our clear night ... > full story -
Sun Unleashes a Wide, but Benign, Coronal Mass Ejection
September 29, 2012 — The sun erupted with a wide, Earth-directed coronal mass ejection on Sept. 27, 2012 at 10:25 p.m. ... > full story -
Scientists Shed Light on Riddle of Sun's Explosive Events
September 24, 2012 — Four decades of active research and debate by the solar physics community have failed to bring consensus on what drives the sun's powerful coronal mass ejections that can have profound "space ... > full story
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