NASA/Goddard Space Flight Center, NASA Headquarters Acquisition Branch, Code 210.H, Greenbelt, MD 20771

A -- RESEARCH OPPORTUNITIES IN SPACE SCIENCE -- 1999 (ROSS-99) SOL NRA-99-OSS-01 DUE 102799 POC Joseph M. Boyce, Program Scientist, Phone (202) 358-0302, Fax (202) 358-3097, Email jboyce@hq.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/HQ/date.html#NRA-99-OSS-01. E-MAIL: Joseph M. Boyce, jboyce@hq.nasa.gov. This is the second amendment to NASA Research Announcement (NRA) 99-OSS-01, entitled "Research Opportunities in Space Science -- 1999 (ROSS-99)," released January 19, 1999, which is a broad NASA Research Announcement as specified in FAR 6.102 (d) (2). This amendment has two specific parts: (1) The program element A.3.8, entitled "Lunar Data Analysis," for which proposals were due by December 12, 1999, is hereby canceled from this NRA; and (2) the budget available for the program element A.3.9, entitled "Mars Data Analysis," has been increased from approximately $2.3M to approximately $4.3M, and the due date for proposals have been changed from September 8, 1999, to October 27, 1999. All other aspects of the Mars Data Analysis program element, whose objectives are to enhance the scientific return from the Mars Pathfinder and Mars Global Surveyor Missions, remain unchanged, although additional, specific high priority objectives are now also identified with regard to characterization of Mars in supportof NASA's Mars Exploration program. Details of these additional objectives are given in the amended material now posted with this NRA on the World Wide Web,which may be opened by selecting "Research Opportunities" on the Office of Space Science homepage at: http://spacescience.nasa.gov. Questions about these amendments may be directed to Mr. Joseph M. Boyce, Research Program Management Division, Code SR, Office of Space Science, NASA Headquarters, Washington, DC 20546-0001; TEL: (202) 358-0302; E-mail: jboyce@hq.nasa.gov. Participation in this NRA is open to all categories of organizations, foreign and domestic, including industry, educational institutions, nonprofit organizations, NASA centers, and other Government agencies. Posted 09/01/99 (D-SN375322). (0244)

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