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Mars Mission
FAQ about Mars & Earth
Question | Answer |
---|---|
The crusts of both Earth and Mars | are made of silicates. |
The major colors of Mars is | red, from a rust-like coating on the surface. |
The equatorial diameter of Mars is | 4,217 miles. |
The equatorial diameter of Earth is | 7,962 miles. |
The distance from the Sun to Earth is | 91.4 to 94.5 million miles. |
The distance from the Sun to Mars is | 128.4 to 154.8 million miles. |
The mantles of both planets contain silicates, but Earth's mantle also contains | iron (Fe) and nickel (Ni). |
The major colors of Earth are | blue water (H2O), white clouds, brown soil, and green vegetation. |
The weather on Earth includes | polar, temperate, or tropical climates in each season. |
The weather on Mars is | cold and dry with no precipitation and dust storms which can cover the entire planet. |
The lowest point on Mars is | Vallis Marinaris at 4 miles deep. |
The atmosphere of Mars is | 95% carbon dioxide. |
The core of Mars is | thought to be iron sulfides. |
The length of a year on Mars is | 687 Earth days. |
The core of Earth is | iron (Fe) and nickel (Ni). |
The atmosphere of Earth is | 78% nitrogen (N) and 21 % oxygen (O). |
The surface pressure on Earth is | 1013 millibars. |
The surface pressure on Mars is | 7-10 millibars. |
The temperature range on Mars is | -194º to 72º Fahrenheit. |
The temperature range on Earth is | -127º to 136º Fahrenheit. |
The axis tilt of Mars is | 23.5º. |
The axis tilt of Earth is | 25.2º. |
The gravity on Mars is | 38% of Earth's gravity. |
The highest point on Mars is | Olympus Mons at 17 miles (three times as high as Mount Everest). |