2026 Astrophysics Small Explorer (APSMEX)
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
About this opportunity
On or after this SAM.gov notice, the final text for the Announcement of Opportunity (AO) 2026 Astrophysics Small Explorer (APSMEX) will be available for download from the NASA Solicitation and Proposal Integrated Review and Evaluation System (NSPIRES) at https://nspires.nasaprs.com. Click on the word �Solicitations� at the top of the NSPIRES landing page and then on the next page enter the number �NNH26ZDA011O� in the search box or use the direct URL provided below. This �Description� is not a complete or verbatim summary of the AO. It is the responsibility interested parties to visit and monitor regularly the two listed internet sites (links) for any amendments or other updates. Please also open and carefully read the attached PDF file named �9JuneEmail.pdf�. The 9JuneEmail attachment is ...