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Two NASA missions decode intense solar flares
Three solar observatories have captured the most comprehensive observations of an electromagnetic phenomenon called a \"current sheet\", strengthening the evidence that the understanding of solar flares is correct.
​Washington Three solar observatories have captured the most comprehensive observations of an electromagnetic phenomenon called a "current sheet", strengthening the evidence that the understanding of solar flares is correct.
A "current sheet" is a very fast and flat flow of electrically-charged material, defined in part by its extreme thinness compared to its length and width.
"Current sheets" form when two oppositely-aligned magnetic fields come in close contact, creating very high magnetic pressure.
The multi-faceted view of the December 2013 flare was made possible by three solar-watching missions: NASA's Solar Dynamics Observatory (SDO), NASA's Solar and Terrestrial Relations Observatory (STEREO) and Hinode, a collaboration between the space agencies of Japan, the US, Britain and Europe.
Solar flares are intense bursts of light from the sun. They are created when complicated magnetic fields suddenly and explosively rearrange themselves, converting magnetic energy into light.
