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Plume Activity on Europa: Current Knowledge and Search Strategy for Europa Clipper
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Space and Plasma Physics.ORCID iD: 0000-0003-0554-4691
School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287-1404, USA.
Number of Authors: 312025 (English)In: The Planetary Science Journal, E-ISSN 2632-3338, Vol. 6, no 8, article id 182Article in journal (Refereed) Published
Abstract [en]

The presence of cryovolcanic activity in the form of geyser-like plumes at Jupiter’s moon Europa is a much-debated topic. As an active plume could allow direct sampling by a passing spacecraft of a potentially habitable interior environment, the detection and analysis of ongoing plume activity would be of the highest scientific value. In the past decade, several studies have interpreted different remote and in situ observations as providing evidence for large gaseous plumes at different locations on Europa. However, definitive proof is elusive, and visible imaging data taken during spacecraft flybys do not reveal clear indications of ongoing activity. After arrival at Jupiter in 2030, the NASA Europa Clipper spacecraft will systematically search for and constrain plume activity at Europa utilizing a variety of investigations and methods during, before, and after close flybys. Given the lack of a confirmed plume detection to date, the Europa Clipper science team has adopted a global plume search strategy, not focusing on any specific geographical area or any specific type of observation. This global search strategy assigns enhanced value to data obtained early in the mission, which allows time for further observations and characterization of any observed plume at later times. Here we describe the current state of knowledge on plume activity, the Europa Clipper search strategy, and the role of various instruments on the Europa Clipper payload in this search.

Place, publisher, year, edition, pages
American Astronomical Society , 2025. Vol. 6, no 8, article id 182
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:kth:diva-369360DOI: 10.3847/PSJ/adea6aISI: 001548138100001Scopus ID: 2-s2.0-105013316528OAI: oai:DiVA.org:kth-369360DiVA, id: diva2:1995084
Note

QC 20250904

Available from: 2025-09-04 Created: 2025-09-04 Last updated: 2025-09-04Bibliographically approved

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Roth, Lorenz

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