Tag: STEREO

This image captured on July 23, 2012, at 12:24 a.m. EDT, shows a coronal mass ejection that left the sun at the unusually fast speeds of over 1,800 miles per second. Image Credit: NASA/STEREO

Earth nearly got fried by Sun discharge in July 2012

Earth dodged a huge magnetic bullet from the sun on July 23, 2012.According to University of California, Berkeley, and Chinese researchers, a rapid succession...

Coronal Mass Ejection Headed Toward Mercury and Venus

On July 1, 2013, at 6:09 p.m. EDT, the sun erupted with a coronal mass ejection, or CME, a solar phenomenon that can send...

NASA’s SDO and STEREO Spot Something New On the Sun

One day in the fall of 2011, Neil Sheeley, a solar scientist at the Naval Research Laboratory in Washington, D.C., did what he always...

Scientists unlock the secrets of exploding plasma clouds on the sun

The Sun sporadically expels trillions of tons of million-degree hydrogen gas in explosions called coronal mass ejections (CMEs). Such clouds -- an example is shown in Figure 1a -- are enormous in size (spanning millions of miles) and are made up o...

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