Community Announcement on Astrophysics Explorer AO

Solicitation Number NNH14ZDA002J
Draft Text for Comment Release Date: Spring 2014
Explorer workshop: ~2 weeks after draft AO release
Final Text Release Date: Late Summer/Early Fall 2014
Preproposal conference: ~3 weeks after final AO release
Proposals due: 90 days after AO release

The National Aeronautics and Space Administration (NASA) Science Mission Directorate (SMD) is releasing this Community Announcement concerning its intention to solicit investigations for the Astrophysics Explorer Program. The Astrophysics Explorer Program conducts Principal Investigator (PI)-led space science investigations to advance NASA’s strategic goals in astrophysics, which are to discover the origin, structure, evolution, and destiny of the Universe and search for Earth-like planets. Additional information concerning these areas of investigation is provided through appropriate links found on the SMD homepage at

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