M2-class Solar Explosion Noises Captured On Earth: Sunspot Eruption Creates Radio Bursts

On August 1st, Kevin Palivec of Hawley, Texas recorded radio bursts from the M2-class solar explosion.

The mysterious shortwave bursts detected in Texas had been created by a M2-class solar explosion. They were heard at 20.1 MHz. This chart recording displays 10 minutes of activity on August 1st:

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Record of solar burst on August 1 2014. These mysterious signals were created by a M2-solar explosion. Photo: Kevin Palivec at Hawley, Texas. Photo: Spaceweather

According to Space Weather, ‘[…] the bursts were triggered by an M2-class explosion in the magnetic canopy of sunspot AR2127. The explosion sent shock waves rippling through the sun’s atmosphere. Those shock waves, in turn, excited plasma instabilities that emit static-y radio waves. Becase there are a whole variety of plasma instabilites, there is a corresponding variety of radio burst types. Palivec recorded a mix of two: Type II and Type IV […]’

Listen to these strange solar radio bursts! And if you want to record them from home, get your own receiver at NASA’s RadioJove.

Are there more radio bursts to be recorded in the near future? Yes! sunspot AR2127 and nearby sunspot AR2130 both crackle with M2-class solar flares.

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