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Which planet has more clouds: Earth or Mars?

Clouds are formed as water vapor is evaporated into the air and rises into the atmosphere. The higher it goes the colder and denser the water becomes until it condenses into a cloud. The integral ingredient for cloud formation then is water vapor.


Between the two planets, Earth is much more likely to produce clouds than Mars. This is due to the fact that Mars has an atmosphere that is less than 1% of Earth's total amount. Where the Earth has a dense atmosphere full of water and other components used to make clouds Mars has extremely little. The only regular cloud cover Mars has is found in the equatorial region where what little water is on the planet congregates. This area is the only location on the planet that has the needed materials to create any kind of a cloud on the planet.  

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