NASA Topics Missions Galleries NASA TV Follow NASA Downloads About NASA Audiences Search Latest Related Parker Solar Probe NASA Mourns Passing of Visionary Heliophysicist Eugene Parker 19 hours ago New Sun Missions to Help NASA Better T)pE , Understand Earth-Sun Environment month ago NASA's Parker Solar Probe Discovers Matural Radio Emission in Venus Atmosphere 10 months ago Solar Cycle 25 Is Here. NASA, NOAA Scientists Explain What That Means Mar 16,2022 vears 2g0 RELEASE 22-025 NASA Selects Proposals for New Space Environment Missions NASA Mourns Passing of Visionary Heliophysicist in p vears ag0 Eugene Parker NASA's Parker Solar Probe Teams Up With Observatories Around Solar System for 4th Dr: Eugene N. Parker; visionary of heliophysics and namesake of NASAs Parker Solar Probe, has passed away: He was 94_ Solar Encounter young professor at the University of Chicago in the mid-1950s_ Parker developed mathematica vears ag0 theory that predicted the solar wind, the constant outflow of solar material from the Sun. Throughout Solar Orbiter Launch Takes Solar Science to his career; Parker revolutionized the field time and again, advancing ideas that addressed the New Heights fundamental questions about the workings of our Sun and stars throughout the universe_ vears ag0 "We were saddened to learn the news that one of the great scientific minds and leaders of our time has passed said NASA Administrator Bill Nelson. "Dr: Eugene Parker's contributions to science and to