The climate of Mars has been a topic of scientific curiosity for centuries, in part because it is the only terrestrial planet whose surface can be easily directly observed in detail from Earth with he
Martian morning clouds (Viking Orbiter 1, 1976)
Mars – most abundant gases – (Curiosity rover, Sample Analysis at Mars device, October 2012)
Mars is the fourth planet from the Sun. It is also known as the "Red Planet", for its orange-red appearance. Mars is a desert-like rocky planet with a tenuous atmosphere that is primarily carbon dioxi
Climate of Mars
…part because it is the only terrestrial planet whose surface can be easily directly observed in detail from Earth with help from a telescope. Although Mars is smaller than Earth with only one tenth of Earth's mass, and 50% farther from the Sun than Earth, its climate has important similarities, such as the…
Valles Marineris, taken by the Viking 1 probe
Artist concept showing sand-laden jets erupting from Martian geysers (published by NASA; artist: Ron Miller)
A 30 meter wide and 800 meter high dust devil. Dust devils of 20 kilometer height have been observed.
Dust devils cause twisting dark trails on the Martian surface