Solar Dynamics Observatory

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Square 'Hole' Spotted in Sun

Gap in magnetic field is unusual shape

(Newser) - There's a big square "hole" in the sun this week, according to NASA's Solar Dynamics Observatory. The dark spot in the sun's outer atmosphere is a phenomenon known as a "coronal hole," a gap in the magnetic field where solar wind rushes out, reports... More »

NASA Captures Spectacular Solar Storm

Huge flare could have swallowed several Earths

(Newser) - The sun spat out a solar flare big enough to swallow the Earth several times over last week and NASA's Solar Dynamics Observatory captured the amazing sight. The filament, resembling a massive "solar whip," was ejected at 900 miles per second during the sun's eruption. NASA... More »

NASA Captures Massive Sun Blast

Huge solar explosion will affect spacecraft but not Earth

(Newser) - A blast of super-heated plasma big enough to scorch dozens of Earths erupted from the sun yesterday, providing NASA's Solar Dynamics Observatory with stunning images. The coronal mass ejection, which followed a solar flare, was not aimed toward Earth, but two NASA spacecraft—including the Spitzer Space Telescope—will... More »

NASA Releases Explosive Sun Shots

Historic images reveal high-def surface, flares

(Newser) - NASA has released astounding new photos and videos of the sun for the first time revealing high definition, close-up views of the solar surface and exploding flares. The images were captured by the space telescope of the Solar Dynamics Observatory, and are providing historic new insight into sun mechanics, notes... More »

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