Posts Tagged ‘coronal mass ejection’
Astronomy Picture of the Day
Violent Sunspot Group AR 1302 Unleashes a Flare Image Credit: jp-BrahicExplanation: One of the most active sunspot groups in years is currently crossing the Sun. AR 1302 first came around the Sun's edge last week and is so large it can be seen without a telescope. Coronal Mass Ejections from AR 1302 have already caused strong geomagnetic storms including notable aurora activity around both of Earth's poles. Pictured above, plasma was left magnetically hanging above the Sun's ... Full Story
Astronomy Picture of the Day
Visit the NASA/JPL website to view more Astronomy Pictures of the Day X-Class Flare Credit: NASA / Goddard / SDO AIA Team Explanation: On Valentine's Day (ET) the Sun unleased one of its most powerful explosions, an X-class flare. The blast was the largest so far in the new solar cycle. Erupting from active region AR1158 in the Sun's southern hemisphere,the flare is captured here in this extreme ultraviolet image from the Solar Dynamics Observatory (SDO). The intense burst ... Full Story
