News tagged with sun

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Sun emits fourth X-class flare in a week

The sun emitted a significant solar flare—its fourth X-class flare since Oct. 23, 2013—peaking at 5:54 p.m. on Oct. 29, 2013. Solar flares are powerful bursts of radiation. Harmful radiation from a flare ...

Oct 30, 2013
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Explainer: How does our sun shine?

What makes our sun shine has been a mystery for most of human history. Given our sun is a star and stars are suns, explaining the source of the sun's energy would help us understand why stars shine. ...

Aug 28, 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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What is a solar sail?

I'm Fraser Cain, and I'm a sailor. Well, okay, I've got a sailboat that I take out on the water when its warm and the weather's nice here on Vancouver Island. I think it's one of the reasons I absolutely ...

Jan 20, 2014
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A stunning image of our home star

Active regions 2108 and 2109 are now passing around the limb of the Sun, but not before solar photography specialist Alan Friedman grabbed a few pictures of them on Friday!   The image above, captured by ...

Jul 15, 2014
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Sun emits three X-class flares in 2 days

On June 11, 2014, the sun erupted with its third X-class flare in two days. The flare was classified as an X1.0 and it peaked at 5:06 a.m. EDT. Images of the flare were captured by NASA's Solar Dynamics Observatory. ...

Jun 11, 2014
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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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