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Image: Rosetta solar wing

This is one of Rosetta's two massive solar wings, keeping ESA's comet-chaser powered out in the cold depths of space, currently some 448 million km from the Sun.

Nov 12, 2014
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SDO sees a mid-level solar flare: Nov. 3

The sun emitted a mid-level solar flare, peaking at 5:40 p.m. EST on Nov. 3, 2014. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful ...

Nov 04, 2014
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Tracking a gigantic sunspot across the Sun

An active region on the sun – an area of intense and complex magnetic fields – rotated into view on Oct. 18, 2014. Labeled AR 12192, it soon grew into the largest such region in 24 years, and fired off ...

Oct 31, 2014
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Why plants don't get sunburn

Plants rely on sunlight to make their food, but they also need protection from its harmful rays, just like humans do. Recently, scientists discovered a group of molecules in plants that shields them from ...

Oct 29, 2014
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Hot explosions on the cool sun

(Phys.org) —The Sun is more spirited than previously thought. Apart from the solar eruptions, huge bursts of particles and radiation from the outer atmosphere of our star, also the cooler layer right below ...

Oct 20, 2014
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Partial solar eclipse over the U.S. on Thursday, Oct. 23

People in most of the continental United States will be in the shadow of the Moon on Thursday afternoon, Oct. 23, as a partial solar eclipse sweeps across the Earth. For people looking through sun-safe filters, from Los Angeles, ...

Oct 17, 2014
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