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ノアキアン

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Schematic cross section of image at left. Surface units are interpreted as a sequence of layers (strata), with the youngest at top and oldest at bottom in accordance with the law of superposition.

ノアキアン時代火星の黎明期を彩った激動の地質学

ノアキアン火星地質学後期重爆撃期火星の水