Amendment No. 3 to the NASA Research Announcement (NRA) entitled
"Research Opportunities in Space and Earth Sciences (ROSES) 2005,"
NNH05ZDA001N, released January 28, 2005

On or about March 8, 2005, Amendment No. 3 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").

This amendment has two parts. (1) For the RXTE, GALEX, and FUSE Guest
Observer/Guest Investigator program elements described in Appendices C.7,
C.8, and C.9: Proposers from non-U.S. institutions to the RXTE, GALEX, and
FUSE Guest Observer/Guest Investigator programs may optionally submit an
electronic Notice of Intent (NOI) rather than an electronic Cover
Page. This change only applies to proposers at foreign institutions
submitting proposals that do not request funding. Further details and
instructions are given in the amendment. (2) For only the GALEX Guest
Investigator program element described in Appendix C.8, co-investigators on
selected non-U.S. proposals will not be eligible for funding.

Further information about the RXTE Guest Observer program element is
available from Dr. Alan P. Smale, Universe Division, Science Mission
Directorate, NASA Headquarters, Washington, DC 20546-0001; Telephone: (202)
358-2016; E-mail: Alan.Smale@.... Further information about the GALEX
Guest Investigator program element is available from Dr. Zlatan Tsvetanov,
Universe Division, Science Mission Directorate, NASA Headquarters,
Washington, DC 20546-0001; Telephone: (202) 358-0810; E-mail:
Zlatan.Tsvetanov@.... Further information about FUSE Guest
Investigator program element is available from Dr. Hashima Hasan, Universe
Division, Science Mission Directorate, NASA Headquarters, Washington, DC
20546-0001; Telephone: (202) 358-0692; E-mail: hhasan@... .