GENERAL KNOWLEDGE

Detailed explanation-1: -Mars is one of the most explored bodies in our solar system, and it’s the only planet where we’ve sent rovers to roam the alien landscape.

Detailed explanation-2: -Meaning, majority of our planet is unexplored. As for Mars, 100 percent of the surface has been mapped.

Detailed explanation-3: -The planet Mars has been explored remotely by spacecraft. Probes sent from Earth, beginning in the late 20th century, have yielded a large increase in knowledge about the Martian system, focused primarily on understanding its geology and habitability potential.

Detailed explanation-4: -There have been nine successful US Mars landings: Viking 1 and Viking 2 (both 1976), Pathfinder (1997), Spirit and Opportunity (both 2004), Phoenix (2008), Curiosity (2012), InSight (2018) and Perseverance (2021). The only other country to land a spacecraft on Mars was the Soviet Union in 1971 and 1973.