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HEND. HEND. HEND. HEND. HEND. GRS. GRS. GRS. GRS. GRS. Marie. Marie. Marie. Marie. Marie. June 30, 2003. October 31, 2003. June 30, 2002. February 28, 2003. October 31, 2002. (19 degrees). (23 degrees). (158 degrees). (70 degrees). (137 degrees). Mars. Mars. Earth.
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HEND HEND HEND HEND HEND GRS GRS GRS GRS GRS Marie Marie Marie Marie Marie June 30, 2003 October 31, 2003 June 30, 2002 February 28, 2003 October 31, 2002 (19 degrees) (23 degrees) (158 degrees) (70 degrees) (137 degrees) Mars Mars Earth Earth Sun Sun Sun Sun Sun Mars Mars Earth Earth Earth Mars May 1, 2002 (129 degrees) April 1, 2002 (115 degrees) March 1, 2002 (100 degrees) Earth Sun Earth Sun Sun Earth September 1, 2003 (2.6 degrees) Mars August 1, 2003 Mars (8.5 degrees) July 1, 2003 Mars (19 degrees) Earth Mars Mars Mars Sun May 15, 2002 Earth April 15, 2002 (135 degrees) Earth (121 degrees) Sun March 15, 2002 (107 degrees) Sun Earth Earth Sun Sun Sun Earth September 15, 2003 (7.0 degrees) August 15, 2003 Mars (4.2 degrees) July 15, 2003 Mars Mars (14 degrees) Mars Mars Mars Sun Earth Earth Earth Sun Sun September 1, 2002 (169 degrees) August 1, 2002 (174 degrees) July 1, 2002 Earth (159 degrees) Earth Earth Sun Sun Sun Mars June 1, 2002 (144 degrees) Earth Mars September 15, 2002 Mars (162 degrees) Sun August 15, 2002 October 1, 2003 (178 degrees) (12 degrees) July 15, 2002 (166 degrees) Earth Earth Sun Earth Mars Mars Sun Sun Mars Sun Earth June 15, 2002 (151 degrees) Earth Mars Mars Sun October 15, 2003 (17 degrees) Mars Sun Mars Earth January 1, 2003 (101 degrees) December 1, 2002 (119 degrees) November 1, 2002 (136 degrees) Mars Sun Mars Sun Sun Mars Earth Earth Earth January 15, 2003 (93 degrees) December 15, 2002 (111 degrees) November 15, 2002 Mars (128 degrees) Mars Sun Sun Mars Sun Earth October 1, 2002 (153 degrees) Earth Earth Sun Earth Mars October 15, 2002 (146 degrees) Sun Earth Mars February 1, 2003 (84 degrees) May 1, 2003 Mars (41 degrees) Mars Sun Earth Sun Earth June 1, 2003 (29 degrees) Mars April 1, 2003 March 1, 2003 February 15, 2003 (55 degrees) Earth (69 degrees) (76 degrees) Mars Mars Mars Sun Earth Sun Sun Sun Earth Earth May 16, 2003 June 15, 2003 (36 degrees) Mars (24 degrees) April 15, 2003 Mars March 16, 2003 (48 degrees) Earth Earth (62 degrees) Mars Mars Sun Sun Earth Sun Sun Earth Odyssey and GOES DataMarch 2002 to October 2003 Ron Turner and John Starcher, ANSER, Arlington, VA • Cary Zeitlin, Lawrence Berkeley National Laboratory, Berkeley, CA 100 Odyssey Odyssey 10 Normalized Counts 1 0.1 GOES 8 GOES 8 104 103 102 Particles/cm2 sec sr 101 1.0 10-1 1 6 11 16 21 26 31 1 6 11 16 21 26 1 6 11 16 21 26 31 1 6 11 16 21 26 30 March 2002 April 2002 May 2002 June 2002 104 Odyssey Odyssey 100 104 Different Scale 102 102 10 DifferentScale Normalized Counts 1 1 1 10-1 0.1 10-2 GOES 8 GOES 8 104 103 102 101 Particles/cm2 sec sr 1.0 10-1 1 1 6 11 16 21 26 31 1 6 11 16 21 26 31 1 6 11 16 21 26 6 11 16 21 26 31 July 2002 August 2002 September 2002 October 2002 100 Odyssey Odyssey 10 Normalized Counts 1 0.1 GOES 8 GOES 10 GOES 8 GOES 10 104 103 102 Particles/cm2 sec sr 101 1.0 10-1 10-1 1 6 11 16 21 26 1 6 11 16 21 26 31 1 6 11 16 21 26 31 1 6 11 16 21 26 November 2002 December 2002 January 2003 February 2003 100 Odyssey Odyssey 10 Normalized Counts 1 0.1 GOES 8 GOES 8 GOES 10 GOES 10 104 103 102 Particles/cm2 sec sr 101 1.0 10-1 1 6 11 16 21 26 31 1 6 11 16 21 26 1 6 11 16 21 26 31 1 6 11 16 21 26 31 March 2003 April 2003 May 2003 June 2003 100 Odyssey Odyssey 104 Different Scale 10 102 Normalized Counts 1 1 10-1 0.1 GOES 11 GOES 11 GOES 10 104 103 102 Particles/cm2 sec sr 101 1.0 10-1 1 6 11 16 21 26 31 1 6 11 16 21 26 31 1 6 11 16 21 26 1 6 11 16 21 26 31 July 2003 August 2003 September 2003 October 2003 Mars data are derived from the count-rate on the MARIE, Gamma Ray Spectrometer (GRS), and High Energy Neutron Detector (HEND) instruments on the Odyssey Spacecraft in orbit around Mars. Earth data are derived fromthe GOES Space Environment Monitor in geostationary Earth orbit (archived by the National Geophysical Data Center). Inserts show the relative positions of Earth and Mars at the beginning, middle, and end of each month.