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A day on Mars is very similar to a day on Earth. The length of a martian day is
24 hours, 37 minutes
The martian atmosphere is extremely thin. Its atmospheric volume is
less than 1 percent
Mars’ largest moon Phobos has a diameter of
, whereas the diameter of Earth’s moon is
When viewed from the surface of Mars, the
half the size
it appears on Earth.
Because of its reddish color, Mars is often known as the
About 95 percent of the martian atmosphere is
, other gases are argon, nitrogen (N2) etc.
Mars has two tiny moons:
– the tallest volcano in the solar system is located on Mars. It is
tall and over
Mars’ moon Phobos is gradually being pulled by Martian gravitational force. In about
10 million years
, Phobos will be torn apart by Mars’ gravity then Mars will have a
spacecraft was the first spacecraft to visit Mars. It flyby mars on 14 July 1965.