With this amendment to ROSES-2005, NASA announces new due dates for the
Decision Support through Earth-Sun Science Research Results program
described in Appendix A.24. The Step-1 proposal due date is July 20,
2005. The Step-2 proposal due date is October 13, 2005.

On or about May 4, 2005, Amendment No. 11 to NASA Research Announcement
"Research Opportunities in Space and Earth Sciences" (NNH05ZDA001N) will be
posted on its homepage Web site at http://nspires.nasaprs.com/ (select
"Solicitations" then "Open Solicitations" then "NNH05ZDA001N").

The due dates for proposals to the Decision Support through Earth-Sun
Science Research Results program described in Appendix A.24 have been
changed. The due date for Step-1 Proposals is changed from May 25, 2005,
to July 20, 2005. The due date for Step-2 proposals is changed from August
5, 2005, to October 13, 2005.

Further information about this Program Element is available from Mr.
Lawrence Friedl, Earth-Sun System Division, Science Mission Directorate,
NASA Headquarters, Washington, DC 20546-0001; Telephone: (202)
358-1599; E-mail: Lawrence.A.Friedl@...