Joan Feynman
American astrophysicist
Died when: 93 years 113 days (1119 months)Star Sign: Aries

Joan Feynman (March 31, 1927 – July 21, 2020) was an American astrophysicist.She made contributions to the study of solar wind particles and fields, sun-Earth relations, and magnetospheric physics.
In particular, Feynman was known for developing an understanding of the origin of auroras.She was also known for creating a model that predicts the number of high-energy particles likely to hit a spacecraft over its lifetime, and for uncovering a method for predicting sunspot cycles.
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