HelioSwarm: A Multipoint, Multiscale Mission to Characterize Turbulence

Kristopher G. Klein*, Harlan Spence*, Olga Alexandrova, Matthew Argall, Lev Arzamasskiy, Jay Bookbinder, Theodore Broeren, Damiano Caprioli, Anthony Case, Benjamin Chandran, Li Jen Chen, Ivan Dors, Jonathan Eastwood, Colin Forsyth, Antoinette Galvin, Vincent Genot, Jasper Halekas, Michael Hesse, Butler Hine, Tim HorburyLan Jian, Justin Kasper, Matthieu Kretzschmar, Matthew Kunz, Benoit Lavraud, Olivier Le Contel, Alfred Mallet, Bennett Maruca, William Matthaeus, Jonathan Niehof, Helen O’Brien, Christopher Owen, Alessandro Retinò, Christopher Reynolds, Owen Roberts, Alexander Schekochihin, Ruth Skoug, Charles Smith, Sonya Smith, John Steinberg, Michael Stevens, Adam Szabo, Jason TenBarge, Roy Torbert, Bernard Vasquez, Daniel Verscharen, Phyllis Whittlesey, Brittany Wickizer, Gary Zank, Ellen Zweibel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (SciVal)
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HelioSwarm (HS) is a NASA Medium-Class Explorer mission of the Heliophysics Division designed to explore the dynamic three-dimensional mechanisms controlling the physics of plasma turbulence, a ubiquitous process occurring in the heliosphere and in plasmas throughout the universe. This will be accomplished by making simultaneous measurements at nine spacecraft with separations spanning magnetohydrodynamic and sub-ion spatial scales in a variety of near-Earth plasmas. In this paper, we describe the scientific background for the HS investigation, the mission goals and objectives, the observatory reference trajectory and instrumentation implementation before the start of Phase B. Through multipoint, multiscale measurements, HS promises to reveal how energy is transferred across scales and boundaries in plasmas throughout the universe.

Original languageEnglish
Article number74
Number of pages44
JournalSpace Science Reviews
Issue number8
Early online date03 Nov 2023
Publication statusPublished - 01 Dec 2023
Externally publishedYes


  • Heliophysics
  • HelioSwarm
  • NASA mission
  • Space plasma
  • Turbulence


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