All Items Tagged

“solar flares”

Jan 21, 2015 03:00 PM ET // Ian O'Neill
Jan. 19, 2015, was a red letter day for NASA's Solar Dynamics Observatory -- one of its instruments, having continually stared at the sun for 5 years, captured its 100 millionth observation of our nearest star.
Dec 22, 2014 03:12 PM ET // Ian O'Neill
NASA's Nuclear Spectroscopic Telescope Array has turned its gaze from distant black holes and focused on our sun, producing the most sensitive measurement of high-energy solar X-rays ever achieved.
Oct 24, 2014 12:24 PM ET
Julian gives a primer on sunspots -- what causes them, how often they happen, and most importantly: whether or not an enormous one is set to fire straight at Earth.
Oct 24, 2014 01:25 PM ET // Charles Q. Choi, SPACE.com
Eruptions on the sun's surface are probably caused by giant, unstable magnetic plasma arches, a new study reports — a discovery that brings scientists one step closer to predicting solar outbursts that can wreak havoc on Earth.
Sep 25, 2014 09:00 AM ET // Ian O'Neill
A huge arc of plasma has been imaged rising from the sun's surface by a NASA solar observatory, producing a beautiful view of the sun's magnetic dynamics in action. Continue reading →
Sep 10, 2014 09:02 PM ET // Ian O'Neill
At 1:46 p.m. ET (17:46 UT) on Wednesday, the sun reminded the solar system that it hasn't finished with solar maximum quite yet -- it unleashed a powerful solar flare and aimed it right at Earth. Continue reading →
Jun 10, 2014 01:56 PM ET // Jason Major
And barely an hour apart from each other, too! Continue reading →
Jun 3, 2014 11:15 AM ET // Jason Major
NASA's Interface Region Imaging Spectrograph watched a magnetic eruption in the solar corona, giving us the most intimate view of the creation of a CME yet. Continue reading →
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