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- Title
A Quarter Century of Wind Spacecraft Discoveries.
- Authors
Wilson, Lynn B.; Brosius, Alexandra L.; Gopalswamy, Natchimuthuk; Nieves‐Chinchilla, Teresa; Szabo, Adam; Hurley, Kevin; Phan, Tai; Kasper, Justin C.; Lugaz, Noé; Richardson, Ian G.; Chen, Christopher H. K.; Verscharen, Daniel; Wicks, Robert T.; TenBarge, Jason M.
- Abstract
The Wind spacecraft, launched on November 1, 1994, is a critical element in NASA's Heliophysics System Observatory (HSO)—a fleet of spacecraft created to understand the dynamics of the Sun‐Earth system. The combination of its longevity (>25 years in service), its diverse complement of instrumentation, and high resolution and accurate measurements has led to it becoming the "standard candle" of solar wind measurements. Wind has over 55 selectable public data products with over ∼1,100 total data variables (including OMNI data products) on SPDF/CDAWeb alone. These data have led to paradigm shifting results in studies of statistical solar wind trends, magnetic reconnection, large‐scale solar wind structures, kinetic physics, electromagnetic turbulence, the Van Allen radiation belts, coronal mass ejection topology, interplanetary and interstellar dust, the lunar wake, solar radio bursts, solar energetic particles, and extreme astrophysical phenomena such as gamma‐ray bursts. This review introduces the mission and instrument suites then discusses examples of the contributions by Wind to these scientific topics that emphasize its importance to both the fields of heliophysics and astrophysics. Plain Language Summary: The Wind spacecraft is a south ecliptic pointed spinning spacecraft that was launched on November 1, 1994. It is equipped with an array of instrument suites that measure electric and magnetic fields, electrons from thermal to relativistic energies, protons and alpha‐particles from thermal to suprathermal energies, and energetic ions from hydrogen to trans‐iron elements. Wind can also observe remote sources of electromagnetic radiation in the radio and gamma‐ray frequency ranges. This diverse array of instrumentation and numerous near‐Earth environments explored has allowed researchers to examine such a broad range of research topics including astrophysics, turbulence, kinetic physics, magnetic reconnection, interplanetary and interstellar dust, transient solar phenomena, and the radiation belts. Examples of the contributions of Wind to the fields of heliophysics and astrophysics are reviewed. Key Points: Wind has made seminal advances to the fields of astrophysics, turbulence, kinetic physics, magnetic reconnection, and the radiation beltsWind pioneered the study of the source and evolution of solar radio emissions below 15 MHzWind revolutionized our understanding of coronal mass ejections, their internal magnetic structure, and evolution
- Subjects
UNITED States. National Aeronautics &; Space Administration; SPACE vehicles; SOLAR-terrestrial physics; SOLAR wind; STELLAR winds; HELIOSPHERE
- Publication
Reviews of Geophysics, 2021, Vol 59, Issue 2, p1
- ISSN
8755-1209
- Publication type
Article
- DOI
10.1029/2020RG000714