Solar Dynamics Observatory

Aurora Alert: Powerful Solar Flare This Weekend Could Spark Show Tomorrow

by Elizabeth Howell March 31, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter If you sit at a fairly high latitude, you may want to keep an eye out your window Tuesday (April 1) and Wednesday. A powerful X-1 class flare erupted from the sun on Saturday (March 29), sparking an active space weather […]

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Slip-Sliding Away: Solar Flare’s Magnetic Lines Go For A Loop In This Video

by Elizabeth Howell March 28, 2014

When will the next big solar flare occur? How much damage could it cause to power lines and satellites? These are important questions for those looking to protect our infrastructure, but there’s still a lot we need to figure out concerning space weather. The video above, however, shows magnetic lines weaving together from the surface […]

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Yesterday’s Mammoth Solar Flare Is The Biggest Of 2014 So Far

by Elizabeth Howell February 25, 2014

She’s a rainbow! You can see the first moments of a huge flare belching off the sun in the picture above. The so-called X-class flare erupted a few hours ago (at 7:25 p.m. EST Feb. 24, or 12:25 a.m. UTC Feb. 25) and was captured by several spacecraft. If you have a pictures of the […]

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A Secret Solar Eclipse from Outer Space

by Bob King January 30, 2014

Call it the eclipse nobody saw. NASA’s Solar Dynamics Observatory (SDO) got its own private solar eclipse showing from its geosynchronous orbital perch today. Remove this ad

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Zombie ISON ‘Behaving Like A Comet’, Stunned Astronomers Say

by Elizabeth Howell November 29, 2013

Talk about the Comeback Kid. After Comet C/2012 S1 ISON┬árounded the sun yesterday afternoon, professional astronomers around the world looked at the faded debris and concluded it was an “ex-comet.” NASA wrapped up an hours-long Google+ Hangout with that news. The European Space Agency declared it was dead on Twitter. But the remnants — or […]

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