but a particularly large sunspot named AR2781 produced a C5-class solar flare which is a medium-sized explosion even for the Sun. Flares range from A, B, C, M, and X with a zero to nine scale in ...

Traditional theories of solar flares suggest that they are driven by outbursts of magnetic rope structures. This classical model explains many features of the sun's large-scale energy releases.

Space Weather Live says the new solar flare is an X2.2. That makes it the ... it will be intriguing to see what kind of large-scale blackouts occur when the solar cycle hits its peak.

Solar flares erupt near sunspots on the surface of the sun. According to the NICT, an “X-class” explosion, the largest on a five-point scale, occurred at 10:56 a.m. on Oct. 9 in Japan Standard ...

The sun emitted a powerful solar flare days after separate flares produced a geomagnetic storm that disrupted technology and revealed the northern lights.