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Whay is mars and why is it so big |
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Answer» Answer: Mars is the fourth PLANET from the Sun and the next planet beyond Earth. It is, on average, more than 142 million MILES from the Sun. Mars turns on its axis more slowly than Earth does. So, a DAY on Mars is 24.6 hours. Since this planet is farther from the Sun than Earth, one revolution of Mars around the Sun is a longer trip. So, a year on Mars is 687 Earth days. Mars is about half the size of Earth. Mars is known as the Red Planet because the iron oxide chemicals in its soil looks LIKE rust. Explanation: Because the planet rotates on its axis (every 24.6 hours), it bulges at the equator (as do Earth and other planets). At its equator, Mars has a diameter of 4,222 miles (6,794 km), but from pole to pole, the diameter is 4,196 miles (6,752 km). Mars’ RADIUS is, of course, half of planet’s diameter. |
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