Electrojet Zeeman Imaging Explorer

Electrojet Zeeman Imaging Explorer
Artist's concept of the EZIE satellites
NamesEZIE
Mission typeMagnetospheric research
OperatorNASA
COSPAR ID
  • 2025-052AP (EZIE-A)
  • 2025-052AS (EZIE-B)
  • 2025-052AR (EZIE-C)
Websitehttps://ezie.jhuapl.edu
Mission duration18 months (planned)
Spacecraft properties
ManufacturerBlue Canyon Technologies
Start of mission
Launch date14 March 2025
RocketFalcon 9 Block 5
ContractorSpaceX
Orbital parameters
Reference systemGeocentric orbit
RegimeSun-synchronous, low Earth orbit

Electrojet Zeeman Imaging Explorer (EZIE) is a NASA heliophysics mission that studies the Sun and space weather near Earth. It consists of three CubeSats that observe the auroral electrojets, by exploring a phenomenon called Zeeman splitting – the splitting of a molecule’s light spectrum in a magnetic field.[1] EZIE was launched on 14 March 2025 on SpaceX Transporter-13 Mission as a rideshare payload.[2]

EZIE satellites captured "first light" on March 19; one of the three satellites successfully recorded Zeeman splitting of the 118 GHz oxygen emission line for the first time with its Microwave Electrojet Magnetogram (MEM) instrument.[3]

References

  1. ^ "NASA's EZIE Mission Passes Key Milestone – EZIE". blogs.nasa.gov. 11 July 2022. Retrieved 22 October 2024. Public Domain This article incorporates text from this source, which is in the public domain.
  2. ^ "NASA's EZIE Launches on Mission to Study Earth's Electrojets - NASA Science". March 15, 2025.
  3. ^ "NASA's EZIE Mission Captures 'First Light' - NASA Science". April 22, 2025.

Further reading

  • Padmanabhan, Sharmila; Misra, Sidharth; Kangaslahti, Pekka; Montes, Oliver; Bosch-Luis, Javier; Cofield, Rick; Ramos, Isaac; Yee, Sam (17 July 2022). Microwave Electrojet Magnetogram (MEM) Instrument for the Electrojet Zeeman Imaging Explorer (EZIE) Mission. IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium. pp. 7337–7340. doi:10.1109/IGARSS46834.2022.9884004.
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