NASA images unveil origins of solar wind

September 05, 2016 15:33

NASA scientists have for the first time imaged the edge of the Sun, enabling them to describe the mysterious origins of solar wind.

Ever since the 1950s discovery of the solar wind - the constant flow of charged particles from the Sun - there has been a disconnect between this outpouring and the Sun itself.

As it approaches Earth, the solar wind is gusty and turbulent. But near the Sun where it originates, this wind is structured in distinct rays, much like a child's simple drawing of the Sun.

The details of the transition from defined rays in the corona, the Sun's upper atmosphere, to the solar wind have been, until now, a mystery.

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