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单词 areography
释义

areography


areography

(ˌɛərɪˈɒɡrəfɪ) n (Astronomy) the description of the physical features, such as the surface, atmosphere, etc, of the planet Mars[C19: from Greek Areos Mars + -graphy]

areography

Astronomy. a topographical description of the planet Mars.See also: Mars
the study of the physical features of the planet Mars.See also: Planets

areography


areography

(air-ee-og -ră-fee) The geography of Mars. Surface coordinates are defined by aerographic longitude and latitude. Longitude is measured in degrees westward from a prime meridian chosen to pass through the dark-albedo feature Sinus Meridiani near the Martian equator. The exact position of the meridian is now fixed by a 0.5 km crater pit, Airy–0, within the crater Airy, 300 km south of the equator.

areography

[‚ar·ē′äg·rə·fē] (astronomy) The study of the surface features of Mars, or its geography. (ecology) Descriptive biogeography.
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