NASA SMD ROSES-21 Amendment 64: Draft Preparatory Science Investigations for Europa for Community Comment

Status Report From: NASA Science Mission Directorate
Posted: Thursday, January 20, 2022

ROSES-2021 Amendment 64 releases for community comment draft text of Preparatory Science Investigations for Europa, to be released in its final form in ROSES-2022.


When it is solicited, the goal of Preparatory Science Investigations for Europa (PSIE) will be to further our understanding of critical topics in Europa exploration in advance of the Europa Clipper mission. This preparatory work will provide critical context to enable more efficient analysis of Clipper data by the science community and will help generate discoveries and new questions that will feed into mission planning for the latter half of the prime mission and for any potential extended mission. This will maximize the science return from the radiation-limited lifetime of the Europa Clipper.


Comments and questions concerning this draft of Preparatory Science Investigations for Europa (PSIE) are due by March 18, 2022 to Curt Niebur at


On or about January 20, 2022, this Amendment to the NASA Research Announcement "Research Opportunities in Space and Earth Sciences (ROSES) 2021" (NNH21ZDA001N) will be posted on the NASA research opportunity homepage at and will appear on SARA's ROSES blog at

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