SOLAR SYSTEM

Detailed explanation-1: -NASA’s Viking Project was the first U.S. mission to land a spacecraft safely on Mars and return images of the surface. Mariner 8 failed during launch. Mariner 9 successfully became the first Mars orbiter, photo-mapping 100 percent of the planet’s surface.

Detailed explanation-2: -Confirmation that the rover successfully landed on Mars was received on February 18, 2021, at 20:55 UTC. As of 2 May 2023, Perseverance has been active on Mars for 782 sols (803 Earth days, or 2 years, 2 months and 14 days) since its landing. Following the rover’s arrival, NASA named the landing site Octavia E.

Detailed explanation-3: -The first spacecraft to successfully land on Mars, Viking 1 was part of a two-part mission to investigate the Red Planet and search for signs of life. Viking 1 consisted of both an orbiter and a lander designed to take high-resolution images, and study the Martian surface and atmosphere.

Detailed explanation-4: -A space probe is launched from Earth with a set of scientific instruments and tools used to study the atmosphere and composition of space and other planets, moons, or celestial bodies. A probe may operate far out in space, or it may orbit or land on a planet or a moon.