Mars Global Surveyor was an American robotic space probe developed by NASA's Jet Propulsion Laboratory. It was launched on November 7, 1996, and collected data in orbit around Mars from 1997 to 2006.
Mars global surveyor
Mars Express Seen by Mars Global Surveyor
The Phobos monolith (right of center) as taken by MGS (MOC Image 55103) in 1998
Mars Exploration Program is a long-term effort to explore the planet Mars, funded and led by NASA. Formed in 1993, MEP has made use of orbital spacecraft, landers, and Mars rovers to explore the possi
Mars Global Surveyor
…MGS was a global mapping mission that examined the entire planet, from the ionosphere down through the atmosphere to the surface. As part of the larger Mars Exploration Program, Mars Global Surveyor performed atmospheric monitoring for sister orbiters during aerobraking, and helped Mars rovers and lander missions by identifying…
Mars's thinner atmosphere makes entry, descent, and landing operations of arriving in-situ surface spacecraft more challenging
The often uneven and rocky terrain of Mars makes landing on, and traversing, the planet's surface a significant challenge
The loss of Mars Observer in 1993 prompted the formation of a cohesive Mars Exploration Program