News tagged with mass ejections

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Mid-level solar flare seen by NASA's SDO

The sun emitted a mid-level solar flare, peaking at 6:34 p.m. EDT on March 12, 2014, and NASA's Solar Dynamics Observatory, or SDO, captured an image of it. Solar flares are powerful bursts of radiation. Harmful radiation ...

dateMar 13, 2014 in Space Exploration
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Giant sunspot makes third trip across the sun

a magnetically strong and complex region on the sun's surface – has just appeared over the sun's horizon. This is the third trip for this region across the face of the sun, which takes approximately 27 days to make a complete ...

dateFeb 28, 2014 in Space Exploration
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Astronomers find solar storms behave like supernovae

(Phys.org) —Researchers at UCL have studied the behaviour of the Sun's coronal mass ejections, explaining for the first time the details of how these huge eruptions behave as they fall back onto the Sun's surface. In the ...

dateFeb 20, 2014 in Astronomy
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Why is the sun going quiet?

The sun is our nearest star and the source of all our light and heat on Earth but recent reports have highlighted an ongoing steep decline in solar activity.

dateJan 22, 2014 in Space Exploration
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Image: Antares and sunspots at sunrise

An Orbital Sciences Corporation Antares rocket is seen on the launch pad at NASA's Wallops Flight Facility, Wallops Island, Va., on Jan. 8, 2014. Dark blemishes can be clearly seen on the face of the sun.  

dateJan 17, 2014 in Space Exploration
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