According to Space.com, the atmosphere on Mars is around 100 times thinner compared to that of the Earth's and is composed of about 95 percent carbon dioxide. However, the Martian atmosphere is still thick enough to sust... More »

While the common wisdom that the moon lacks an atmosphere has been part of general knowledge for years, a NASA document released in January 2014 indicates that the moon does have an atmosphere with gases like potassium a... More »

Mars indeed does have water ice clouds, similar to Earth's cirrus clouds, both high in the atmosphere and often forming as icy fog just above the ground surface. The Viking orbiter was able to capture sunrise pictures du... More »

According to NASA, 7 billion years ago, Mars may have been an excellent place for microbes to live, but currently it cannot support life because the air is too thin and is comprised mainly of carbon dioxide. After drilli... More »

Mars indeed does have water ice clouds, similar to Earth's cirrus clouds, both high in the atmosphere and often forming as icy fog just above the ground surface. The Viking orbiter was able to capture sunrise pictures du... More »

The composition of Mars' atmosphere is 95.32 percent carbon dioxide, 2.7 percent nitrogen, 1.6 percent oxygen and 0.08 percent carbon monoxide. The remaining 0.3 percent is made up of various trace elements. More »

Mars' atmosphere is made mostly of carbon dioxide, with some nitrogen and argon. It has a very small amount of oxygen and carbon monoxide and tiny amounts of noble gases and other compounds. Earth's atmosphere is 100 tim... More »

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