The atmosphere of Mars is the layer of gases surrounding Mars. It is primarily composed of carbon dioxide (95%), molecular nitrogen (2.85%), and argon...

atmosphere. Atmosphere of the Sun Atmosphere of Mercury Atmosphere of Venus Atmosphere of Earth Atmosphere of the Moon Atmosphere of Mars Atmosphere of...

Mars is the fourth planet from the Sun. The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red...

soil and rocks at the planet's surface, and biomarker gases in the atmosphere. Mars is of particular interest for the study of the origins of life because...

The terraforming of Mars or the terraformation of Mars is a hypothetical procedure that would consist of a planetary engineering project or concurrent...

are also important differences, such as much lower thermal inertia. Mars' atmosphere has a scale height of approximately 11 km (36,000 ft), 60% greater...

little atmosphere the Moon has consists of some unusual gases, including sodium and potassium, which are not found in the atmospheres of Earth, Mars, or...

would be 16,048 kilometres (9,972 mi). Mars' atmosphere density is 6.35 mbar, 160x thinner than Earth's atmosphere at 1013.2 mbar. During the southern winter...

composition are similar to Earth, the planet is hostile to life. Mars has an unbreathable atmosphere, thin enough that its temperature on average fluctuates between...

Water ice on Mars likeliest areas (December 10, 2019) Mars – Utopia Planitia Almost all water on Mars today exists as ice, though it also exists in small...