Mandatory Notice of Intent Due: Sept. 13, 2023

The National Aeronautics and Space Administration (NASA) issues this Announcement of Opportunity (AO) for the purpose of soliciting proposals for investigations to be implemented through its Astrophysics Explorers Program.

All investigations proposed in response to this solicitation must support the goals and objectives of the Astrophysics Explorers Program (Section 2), must be implemented by Principal Investigator (PI) led investigation teams (Section 5.3.1), and must be implemented through the provision of complete spaceflight missions (Section 5.2.1). 

Read the full AO