The Mars Global Surveyor, launched #NOW in 1996, was the first successful mission to the Red Planet since the Viking launches of 1975. Over its 9 years in orbit, it sent more than 240,000 images back to Earth, including this one of Mars's north pole. More: https://go.nasa.gov/3hcvTXx #NASAhistory http://nitter.net/NASAhistory/status/1589664227769319426#m
In Depth | Mars Global Surveyor – NASA Solar System Exploration
Mars Global Surveyor returned more than 240,000 images to Earth. It also scouted landing sites for three Mars rovers as well as the Phoenix lander.NASA Solar System Exploration