Noachian 1
noundomain: time
EnWordnet [ver.5.0]
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EnglishDefinition
a geologic system and early time period on the planet Mars characterized by high rates of meteorite and asteroid impacts and the possible presence of abundant surface water.
Examples
- 1.During the Noachian, the atmosphere of Mars was denser than it is today, and the climate possibly warm enough to allow rainfall.
