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NASA's Van Allen Probes Reveal New Dynamics of Earth's Radiation Belts
December 7, 2012 Just 96 days since their launch, NASA's twin Van Allen Probes have already provided new insights into the structure and behavior of the radiation belts that surround Earth, giving scientists a ... > full story -
First-Ever Hyperspectral Images of Earth's Auroras: New Camera Provides Tantalizing Clues of New Atmospheric Phenomenon
November 29, 2012 Hoping to expand our understanding of auroras and other fleeting atmospheric events, a team of space-weather researchers designed and built a new camera with unprecedented capabilities that can ... > full story -
One Step Closer to 'Space Climate' Forecasting
November 28, 2012 The Sun determines the course of the planets. But the planets may also exert an influence on the Sun. Their configurations appear to be responsible for long-term cycles of increased solar activity. ... > full story -
Total Solar Eclipse, Nov. 13, 2012: Hinode to Support Ground-Based Observations
November 13, 2012 On Nov. 13, 2012, certain parts of Earth will experience a total solar eclipse. The eclipse will only be seen from a narrow corridor in the southern hemisphere that is mostly over the ocean but also ... > full story -
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 -
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 -
Suomi NPP Satellite Sees Auroras Over North America
October 10, 2012 Overnight on October 4-5, 2012, a mass of energetic particles from the atmosphere of the Sun were flung out into space, a phenomenon known as a coronal mass ejection. Three days later, the storm from ... > 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
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