Amendment 55: NOI Due Date Delay for D.3 Astrophysics Research and Analysis and D.7 Strategic Astrophysics Technology and Commercial Suborbital Webinar October 11.

D.3 Astrophysics Research and Analysis Program (APRA) solicits basic research proposals for investigations that are relevant to NASA's programs in astronomy and astrophysics. The focus of D.7 Strategic Astrophysics Technology (SAT) is the maturation of key technologies for incorporation into future strategic astrophysics flight missions.

ROSES-2022 Amendment 55 announces that the mandatory NOI due date for both D.3 APRA and D.7 SAT has been deferred to November 4, 2022. The proposal due date remains unchanged at December 15, 2022.

On or about October 5, 2022, this Amendment to the NASA Research Announcement "Research Opportunities in Space and Earth Sciences (ROSES) 2022" (NNH22ZDA001N) will be posted on the NASA research opportunity homepage at

Questions concerning D.3 APRA may be directed to Dominic Benford at and questions concerning D.7 SAT may be directed to Mario R. Perez at

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