Sunspot AR3165 has erupted with several m-class solar flares in a span of a few hours. NASA Solar Dynamics Observatory captured the fireworks in several wavelengths. Credit: Space.com | footage ...

Solar flares are flashes of ultraviolet and X-ray radiation released from active areas of the sun's surface, usually sunspots. They are classed by power on a scale of A, B, C, M, and X-class, where X ...

In this instance, with such an intense amount of ultraviolet (UV) radiation that accompanied the flare, a shortwave radio ...

Sunspot AR3842 erupted with an X7.1-class solar flare. NASA models predict that the coronal mass ejection created by the ...

A CME was not produced from the solar flare, which removes the chance for a geomagnetic storm to impact Earth and create ...

CHARLOTTE, USA - MAY 10: A view of an unusual sun activity created a sunspot, that is responsible ... [+] for a G4 Geostorm on Earth, the last time this magnitude happened was 20 years ago in ...

There are about 100 G4 solar storms per solar cycle." A G4 storm hit the Earth this past week, caused by a CME released from ...

A surprise announcement from scientists involved in monitoring the solar cycle has finally confirmed that the sun's most ...

A small but mighty cluster of sunspots have made their biggest mark yet on Earth's magnetosphere—and on the radio signals ...

That’s not changed. “Around May, June and July when these articles started coming out the sunspot number was really high, but in the last few months it’s come back down,” said Dr. Ryan ...

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