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How old is the planet Mars?

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We assume it is as old as our solar system. It is the standard practice of the Quora elves to discard any answer of only a few lines, even if the answer might well be useful or informative. read more

Mars is the fourth planet from the Sun and the seventh largest: Planet Profile. orbit: 227,940,000 km (1.52 AU) from Sun diameter: 6,794 km mass: 6.4219e23 kg. History of Mars. Mars (Greek: Ares) is the god of War. The planet probably got this name due to its red color; Mars is sometimes referred to as the Red Planet. read more

The recorded history of observation of the planet Mars dates back to the era of the ancient Egyptian astronomers in the 2nd millennium BCE. Chinese records about the motions of Mars appeared before the founding of the Zhou Dynasty (1045 BCE). read more

Of all the planets in the Solar System, the seasons of Mars are the most Earth-like, due to the similar tilts of the two planets' rotational axes. The lengths of the Martian seasons are about twice those of Earth's because Mars's greater distance from the Sun leads to the Martian year being about two Earth years long. read more

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