Perseverance follows in the tracks of Curiosity. The latter’s touchdown on Martian soil in 2012 marked the first successful use of several pioneering space technologies.
Artist’s rendition of NASA’s 2020 Mars rover collecting rocks with its robotic arm.
NASA
Martian meteorites allow scientists here on Earth to decode that planet’s geology, more than a decade before the first missions are scheduled to bring rocks back home from Mars.
The atmosphere of Mars is thin and very dry.
NASA's Mars Reconnaissance Orbiter
The atmosphere of Mars is more than 96% carbon dioxide, but the planet is cold because its atmosphere is extremely thin, very dry and further away from the Sun.