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Solar System's Youth Gives Clues to Planet Search
Comets and meteorites
contain clues to our solar
system's earliest days. But
some of the findings are
puzzle pieces that don't
seem to fit well together. A
... > full story
Large Coronal Hole Near the Sun's North Pole
Astronomers captured an
image of a gigantic coronal
hole hovering over the sun's
north pole on July 18, 2013,
at 9:06 a.m. EDT. Coronal
holes are dark, low density
... > full story
Heart of Space Weather Observed in Action
Two NASA spacecraft have
provided the most
comprehensive movie ever of
a mysterious process at the
heart of all explosions on
the sun: magnetic
reconnection. Magnetic
... > full story
Solar Tsunami Used to Measure Sun's Magnetic Field
A solar tsunami observed by
NASA's Solar Dynamics
Observatory and the Japanese
Hinode spacecraft has been
used to provide the first
accurate estimates of the
... > full story
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Sun's Loops Are Displaying an Optical Illusion
July 9, 2013 — To understand how the corona is heated, some astronomers study coronal loops. These structures are shaped like an upside-down U and show where magnetic field lines are funneling solar gases or ... > full story -
Matter-Antimatter Asymmetry: Using the Sun to Illuminate a Basic Mystery of Matter
July 8, 2013 — Antimatter has been detected in solar flares via microwave and magnetic-field data, according to researchers. The finding sheds light on the puzzling strong asymmetry between matter and antimatter by ... > full story -
Solar Prominences Put on Strange and Beautiful Show in the Sun's Sky
July 5, 2013 — Cloud spotting seems to be growing in popularity as a hobby here on Earth. Now scientists studying the solar atmosphere are building their own collection of fascinating moving features that ... > full story -
Space Weather Forecast Study Turns Table of Effective Predictions on Its Head
July 5, 2013 — A comparison of solar flare forecasting systems has turned the performance table of apparently effective prediction methods on its head. Researchers have tested the reliability of seven ... > full story -
Solar Dynamic Loops Reveal a Simultaneous Explosion and Implosion, Plus Evidence for Magnetic Reconnection
July 2, 2013 — Movies of giant loops projecting from the surface of the Sun are giving new insights into the complex mechanisms that drive solar flares and Coronal Mass Ejections (CMEs). These eruptions release ... > full story -
Rocket-Launched Camera Reveals Highways and Sparkles in the Solar Atmosphere
June 30, 2013 — Using an innovative new camera on board a sounding rocket, an international team of scientists have captured the sharpest images yet of the Sun’s outer atmosphere. The team discovered ... > full story -
NASA Launches Satellite to Study How Sun's Atmosphere Is Energized
June 28, 2013 — NASA's Interface Region Imaging Spectrograph (IRIS) spacecraft launched Thursday at 7:27 p.m. PDT (10:27 p.m. EDT) from Vandenberg Air Force Base, Calif. The mission to study the solar atmosphere was ... > full story -
Sun Emits a Solstice CME
June 22, 2013 — On June 20, 2013, at 11:24 p.m., the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth ... > full story -
Solar Splashdown Provide New Insights Into How Young Stars Grow by Sucking Up Nearby Gas
June 20, 2013 — On June 7, 2011, our sun erupted, blasting tons of hot plasma into space. Some of that plasma splashed back down onto the sun's surface, sparking bright flashes of ultraviolet light. This dramatic ... > full story -
Flare Star WX UMa Becomes 15 Times Brighter in Less Than 3 Minutes
June 14, 2013 — Astrophysicists have detected a star of low luminosity which within a matter of moments gave off a flare so strong that it became almost 15 times brighter. The star in question is the flare star WX ... > full story
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