News tagged with mass ejections

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First light for MAVEN (w/ Video)

After 10-month voyage across more than 400 million miles of empty space, NASA's MAVEN spacecraft reached Mars on Sept. 21st 2014. Less than 8 hours later, the data started to flow.

Oct 13, 2014
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Coronal mass ejections at Mars

Looking across the Mars landscape presents a bleak image: a barren, dry rocky view as far as the eye can see. But scientists think the vista might once have been quite different. It may have teemed with water ...

Sep 24, 2014
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Solar explosions inside a computer

Strong solar flares can bring down communications and power grids on Earth. By demonstrating how these gigantic eruptions are caused, ETH physicists are laying the foundations for future predictions.

Sep 24, 2014
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The difference between CMEs and solar flares

This is a question we are often asked: what is the difference between a coronal mass ejection (CME) and a solar flare? We discussed it in a recent astrophoto post, but today NASA put out a video with amazing graphics that explain ...

Sep 23, 2014
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How the sun caused an aurora this week

On the evening of Aug. 20, 2014, the International Space Station was flying past North America when it flew over the dazzling, green blue lights of an aurora. On board, astronaut Reid Wiseman captured this ...

Aug 22, 2014
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Monitoring Solar Activity with SDO

At times, the sun erupts, hurling a magnetic superheated cloud of gas toward Earth. Racing at thousands of miles per second, and hundreds of times bigger than the sun, this cloud of solar particles can cause ...

Aug 07, 2014
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SDO spots a summer solar flare

The sun emitted a mid-level solar flare, peaking at 12:20 p.m. EDT on July 8, 2014, and NASA's Solar Dynamics Observatory captured images of the event. Solar flares are powerful bursts of radiation. Harmful ...

Jul 08, 2014
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Sun sends more 'tsunami waves' to Voyager 1

(Phys.org) —NASA's Voyager 1 spacecraft has experienced a new "tsunami wave" from the sun as it sails through interstellar space. Such waves are what led scientists to the conclusion, in the fall of 2013, ...

Jul 08, 2014
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