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Why does mars have seasons?

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Because, like Earth, its axis is tilted away from the Sun. On Mars, in the northern hemisphere to be exact, spring is the longest season. The Martian year is nearly twice as long as an Earth year(1.88 years), the seasons last longer as well. read more

Because the tilt of Mars rotational axis relative the orb plane of mars is very similar to Earth's tilt and they both orbit Sun. Solar radiation is what determines the weather and climate on all planets. read more

But there are also two additional seasons, aphelion and perihelion, which occur because of Mars’ highly elliptical orbit. Earth’s orbit is nearly circular, meaning its distance from the sun stays largely stable. Mars’ orbit is more elongated, bringing it much closer to the sun at some times of the year than others. read more

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