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The Endurance Rocket Mission

Gauging Earth’s Ambipolar Electric Potential

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Abstract

NASA’s Endurance sounding rocket (yard No. 47.001) will launch from Ny Ålesund, Svalbard in May 2022 on a solid fueled Oriole III-A launch vehicle. Its \(\sim19\) minute flight will carry it to an altitude of \(\sim780~\text{km}\) above Earth’s sunlit polar cap. Its objective is to make the first measurement of the weak “ambipolar” electric field generated by Earth’s ionosphere. This field is thought to play a critical role in the upwelling and escape of ionospheric ions, and thus potentially in the evolution of Earth’s atmosphere. The results will enable us to determine the importance to ion escape of this previously unmeasured fundamental property of our planet, which will aid in a better understanding of what makes Earth habitable. Endurance will carry six science instruments (with 16 sensors) that will measure the total electrical potential drop below the spacecraft, and the physical parameters required to understand the physics of what generates the ambipolar field. The mission will be supported by simultaneous observations of solar and geomagnetic activity.

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Abbreviations

ACS:

Attitude Control System

CCMC:

NASA Community Coordinated Modeling Center

DESA:

Dual Electrostatic Analyzer

EISCAT:

European Incoherent Scatter Scientific Association

ERU:

Embry-Riddle Aeronautical University

ETU:

Engineering Test Unit

GSFC:

NASA Goddard Space Flight Center

IG:

Ionization Gauge

MP:

Megapixels

NASA:

National Aeronautics and Space Administration

NMS:

Neutral Mass Spectrometer

NSROC:

NASA Sounding Rocket Operations Contract

PANCAM:

Panoramic Camera

PES:

Photoelectron Spectrometer

REFIMS:

Rotating Electric Field Ion Mass Spectrograph

SLP:

Sweeping Langmuir Probe

SPDF:

Space Physics Data Facility

SRPO:

NASA Sounding Rockets Program Office

UNH:

University of New Hampshire

WFF:

NASA Wallops Flight Facility

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Acknowledgements

The Endurance Rocket Mission is funded through NASA’s Heliophysics Technology and Instrument Development for Science (HTIDS) program (grant No. 80NSSC19K1206) and NASA’s Sounding Rocket program. RADAR support for Endurance is funded through the United Kingdom’s contribution to the European Incoherant Scatter (EISCAT) Scientific Association.

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Correspondence to Glyn Collinson.

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Note by the Editor: This is a Special Communication. In addition to invited review papers and topical collections, Space Science Reviews publishes unsolicited Special Communications. These are papers linked to an earlier topical volume/collection, report-type papers, or timely papers dealing with a strong space-science-technology combination (such papers summarize the science and technology of an instrument or mission in one paper).

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Collinson, G., Glocer, A., Pfaff, R. et al. The Endurance Rocket Mission. Space Sci Rev 218, 39 (2022). https://doi.org/10.1007/s11214-022-00908-0

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  • DOI: https://doi.org/10.1007/s11214-022-00908-0

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