The sun's solar flare activity appears to be hotting up: a massive X-Class solar flare erupted early on Sunday (Oct. 19) from a huge sunspot, and astronomers fear that this could just be the beginning of a spate of sizeable flares.
Solar flares are explosions of energetic radiation that can have potentially devastating effects on our communication systems, causing radio blackouts and affecting satellite measurements. Flares are categorised into three types, with grade C being the least powerful, grade M a medium-level flare, and grade X being the most powerful of all. NASA's Solar Dynamics Observatory (SDO) spacecraft captured images of the latest huge flare which was classified as a formidable X1.1.
Solar flares are explosions of energetic radiation that can have potentially devastating effects on our communication systems, causing radio blackouts and affecting satellite measurements. Flares are categorised into three types, with grade C being the least powerful, grade M a medium-level flare, and grade X being the most powerful of all. NASA's Solar Dynamics Observatory (SDO) spacecraft captured images of the latest huge flare which was classified as a formidable X1.1.
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