What controversial concept, proven correct by space probes, did Dr. Parker theorize in the 1950s?

Answer

Solar wind

The solar wind is the constant stream of charged particles that flows outward from the Sun, a concept first put forth by Dr. Parker.

What controversial concept, proven correct by space probes, did Dr. Parker theorize in the 1950s?

#Videos

NASA's Parker Solar Probe Touches The Sun For The First Time

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