FACTOID # 4: Just 1% of the houses in Nevada were built before 1939.
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Encyclopedia > Arabia Terra

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). ...

Arabia Terra was named in 1979, originally as an albedo feature. It derives from the name of the Arabian peninsula. An albedo feature is a large area on the surface of a planet (or other solar system body) which shows a contrast in brightness or darkness (albedo) with adjacent areas. ... The Arabian Peninsula The Arabian Peninsula (in Arabic: شبه الجزيرة العربية) is a peninsula in Southwest Asia at the junction of Africa and Asia consisting mainly of desert. ...


  Results from FactBites:
Astrobiology Magazine (1618 words)
Arabia Terra: Erosion has exposed hundreds of layers of the same thickness and pattern on the floors of craters throughout western Arabia Terra (first named in 1979).
Terra Meridiani: This general region is one of the more complex on Mars, with a rich array of sedimentary, volcanic, and impact surfaces that span a wide range of martian history.
Margaritifer Terra: To the northwest is the plain of Chryse Terra, in the middle of which lies the Viking 1 landing site.
  More results at FactBites »



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