M class flare

Powerful Solar Flare Producing Sunspot Facing The Earth

An active sunspot-filled region on the sun, AR 1504, rotated into our view on June 10, 2012. So far, the sunspot region fired off two M-class flares, and two coronal mass ejections (CMEs) on June 13th and 14th. The final flare lasted a long time for a CME, nearly 3 hours. It peaked around

Another Giant Sun Spot Detected by NASA Satellite – 'Biggest in Years'

By Michael Ricciardi

[updated content; Solar Flare, see below] At three times the diameter of the Earth — 25, 000 miles/40,000 km wide and 50,000miles / 80,000 km long — the newest sunspot to make its appearance on our sun’s surface is the largest seen in years, according to NASA experts. The sunspot is part of Active Region

M class flare

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