Arabia Terra is large upland region in the north of Mars. It is densely cratered and heavily eroded. This battered topography indicates great age, and Arabia Terra is presumed to be one of the oldest terrains on the planet. It covers as much 4500 kilometers squared, centered roughly at 25°N and 5°E, with its eastern and southern regions rising 4 kilometers above the north-west. Alongside its many craters, canyons wind through the Arabia Terra, many emptying into the large Northern lowlands of the planet, which the terra abuts to the north. For the Roman god, see Mars (mythology). ...
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