MARS GLOBAL SURVEYOR Arrived September 12, 1997 MARS ODYSSEY Arrived October 24, 2001 60° VIKING 2 Landed September 3, 1976 UTOPIA PLANITIA 30°N CHRYSE PLANITIA es Vall Kasei Olympus Mons MARS PATHFINDER Landed July 4, 1997 Ar es allis V VIKING 1 Landed July 20, 1976 Va l l e Aram Chaos s M arin eris EQUATOR Arsia Mons ISIDIS PLANITIA TERRA MERIDIANI Gusev SPIRIT Launched June 10, 2003 Due to arrive January 4, 2004 Ma'adim Vallis OPPORTUNITY Launched July 7, 2003 Due to arrive January 25, 2004 Holden 30°S BEAGLE 2 Launched June 2, 2003 Due to arrive December 25, 2003 MARS 3 TERRA Landed December 2, 1971 0 SIRENUM 20 1 S IO N 1,000 IS S 0 mi EM 60 19 60° MARINER 4 Flyby MARINER 6,7 SPACE MISSIONS United States Other nations 2000 1970 Flybys 1980 MARINER 9 Orbiter MARS 2 (U.S.S.R.) Orbiter MARS 3 (U.S.S.R.) Orbiter/lander VIKING 1,2 Orbiters/landers MARS 4,6,7 (U.S.S.R.) Flybys MARS 5 (U.S.S.R.) Orbiter 1990 MARS GLOBAL SURVEYOR Orbiter MARS PATHFINDER Lander/rover FUT UR 0 km 1,000 NG MAPS MARS ODYSSEY Orbiter EN R E O UT MARS SCIENCE LABORATORY Lander/rover PHOENIX Lander MARS RECONNAISSANCE ORBITER MARS EXPLORATION ROVER (SPIRIT and OPPORTUNITY) NOZOMI (Japan) Orbiter MARS EXPRESS (European Space Agency) Orbiter BEAGLE 2 Lander MARS IMAGE BY MICHAEL CAPLINGER AND MICHAEL MALIN, MSSS; DATA FROM NASA/JPL MARS GLOBAL SURVEYOR MISSION, MOC AND MOLA SCIENCE TEAMS; BOTH SPACECRAFT BY NASA/JPL © 2004 National Geographic Society. All rights reserved.