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Mars's atmosphere is much thinner than that of the Earth, too thin to protect the planet against too low temperature, asteroids, and solar radiation. The air pressure at ground level on Mars is less than 1% that of the Earth. The Martian atmosphere has 4 main parts, lower, middle, upper, and exosphere, and the atmosphere is composed of the following gases:

• carbon dioxide (95.32%)

• nitrogen (2.7%)

• argon (1.6%)

• oxygen (.13%)

• carbon monoxide (.07%)

• water vapor (.03%)

• nitric oxide (.0013%)

• trace gases

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What is the plural form of Mars?

The plural form of Mars remains Mars, as it is already a plural noun.


When did the first space shuttle land on Mars?

The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.The Space Shuttle never landed on Mars. In 1971, the Russian Mars 2 and Mars 3 probes were the first things to land on Mars.


What is the name of Mars explorer?

MARS EXPLORER lol look somewhere else


Did plate tectonics on Mars form the volcanoes on Mars?

No. Mars does not have plate tectonics. The volcanoes on Mars are the result of hot spots.


Does Mars have brains?

Mars is not a living thing. There might be living creatures on Mars, and they might have brains, but Mars itself does not have brains. If you are asking about the Roman myths, Mars does indeed have a brain.