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it had life on it before so there must be water

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13y ago

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How many times mars is smaller than the earth?

earth is 1.88 times bigger than mars so i guess mars is 1.88 times smaller than earth Like so many other things, it depends what you mean. Diameter or volume? Or perhaps you are thinking of "mass". Anyway here's some data : Earth diameter: about 7926 miles Mars diameter : about 4222 miles That makes Earth about 1.88 times bigger, as the previous contributor wrote. But in terms of volume Earth is much bigger, because volume depends on the radius (half the diameter) cubed. So it's not surprising that the Earth's mass is much bigger too. The mass of Mars is only about 11% of the Earth's mass.


Why do scientists think that there may be ice on Mars?

The ice on Mars is visible from Earth as white polar caps. This ice is perhaps mostly frozen CO2 (dry ice) but contains a substantial amount of water ice (H20) We know there is water ice there because water has a distinctive spectral and radar signature. It isn't surprising that there is water ice on Mars. Water is one of the simplest and most common substances.


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.


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.