AMENDMENT No. 2 TO THE NASA RESEARCH ANNOUNCEMENT (NRA) ENTITLED "RESEARCH
OPPORTUNITIES IN SPACE SCIENCE (ROSS) - 2004," NNH04ZSS001N, RELEASED
JANUARY 30, 2004.

On or about March 30, 2004, Amendment No. 2 to NASA Research Announcement
"Research Opportunities in Space Science" (NNH04ZSS001N) will be posted on
its homepage Web site at
http://research.hq.nasa.gov/code_s/nra/current/NNH04Zss001N/index.html for
two changes.

* The due date for proposals to the Planetary Atmospheres program described
in Appendix B.9 is changed from Friday, April 23, 2004, to Friday, May 21,
2004. Any questions about this change may be directed to Dr. Denis Bogan,
Program Scientist, Code SE, Office of Space Science, NASA Headquarters,
Washington, DC 20546-0001, Telephone: (202) 358-0359; FAX: (202) 358-3097;
E-mail: Denis.J.Bogan@....

* The Program Officer for the Mars Instrument Development program described
in Appendix B.16 is changed to Ms. Karen S. McBride, Code SM, Office of
Space Science, NASA Headquarters, Washington, DC 20546-0001; Telephone:
(202) 358-1640; FAX: (202) 358-3097; E-mail: Karen.S.McBride@....