solar flares

How Many Ways Can the Sun Kill You?

by Fraser Cain July 7, 2014

The Sun has a Swiss army knife of ways it can do you in, from radiation to solar flares. And when it dies, it’s taking you with it. What are the various ways the Sun can do you in? Fraser Cain on Google+

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The Sun Pops Off Two X-Class Solar Flares in One Day

by Nancy Atkinson June 10, 2014

In only a little over an hour, the Sun released two X-class solar flares today. The first occurred at 11:42 UTC (7:42 a.m. EDT) and the second blasted out at 12:52 UTC (8:52 a.m. EDT) on June 10, 2014. According to, forecasters were expecting an X-class flare today, but not two…and certainly not from […]

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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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Astronomy Cast 321: Solar Flares

by Fraser Cain November 11, 2013

Sometimes the Sun is quiet, and other times the Sun gets downright unruly. During the peak of its 11-year cycle, the surface of the Sun is littered with darker sunspots. And its from these sunspots that the Sun generates massive solar flares, which can spew radiation and material in our direction. What causes these flares, […]

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Solar Activity Ramps Up as Giant Sunspot Group Turns to Face Earth

by Nancy Atkinson November 8, 2013

The Sun is finally acting like it’s in solar maximum. Our Sun has emitted dozens of solar flares in since Oct. 23, 2013, with at least six big X-class flares. Just today it blasted out a X1.1 flare at 04:32 UT (11:32 p.m. EST on Nov. 7, 2013). While old Sol had been fairly quiet […]

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