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Orbital measurements showed that this dust storm reduced the average temperature of the surface and raised the temperature of the atmosphere of Mars by 30 K. [31] The low density of the Martian atmosphere means that winds of 18 to 22 m/s (65 to 79 km/h) are needed to lift dust from the surface, but since Mars is so dry, the dust can stay in the ...
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The Darian Defrost Calendar, however, uses the Rotterdam System [7] to create new names for the Martian months out of patterns relating letter choice and name length to month order and season. The Utopian Calendar , devised by the Mars Time Group in 2001, also has additional suggestions for nomenclature modification.
Printable version; Page information; ... Geologic map of the entire surface of Mars. The largest map of its kind. Date: ... Version of PDF format: 1.7
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Short title: USGS, Scientific Invesigations Map, 3292, Figure 2: Image title: Geologic Map of Mars: Author: Kenneth L. Tanaka, James A. Skinner, Jr., James M. Dohm ...
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The atmosphere of Mars is colder than Earth’s owing to the larger distance from the Sun, receiving less solar energy and has a lower effective temperature, which is about 210 K (−63 °C; −82 °F). [2] The average surface emission temperature of Mars is just 215 K (−58 °C; −73 °F), which is comparable to inland Antarctica.