Warning Icon

- Due to the lapse in federal government funding, NASA is not updating this website. We sincerely regret this inconvenience.

Concepts for the Next NASA X-ray Astronomy MissionClose

Number: NNH11ZDA018L
Directorate: Science Mission Directorate
Type: Request for Information
Status: Closed
Dates

Notices

  • Note: The RFI for Concepts for the Next NASA X-ray Astronomy Mission issued on September 13, 2011, is being corrected as follows: -- The incorrect label “Dear Colleague Letter” has been replaced by the correct label “Request for Information.” -- The page limit for responses is 10 pages. It was incorrectly stated as being 7 pages in one place in the full text of the RFI.