Joan Feynman
American astrophysicist (1927–2020)
Joan Feynman
Joan Feynman (March 31, 1927 – July 21, 2020) was an American astrophysicist and space physicist who contributed to the study of solar wind particles and fields, sun-Earth relations, and magnetospheric physics. She created a model that predicts the number of high-energy particles likely to hit a spacecraft over its lifetime, and uncovered a method for predicting sunspot cycles. She was known for illuminating the origin of auroras.
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