月光学特性の変化:年齢と組成の影響

J B Adams, T B McCord

Science (New York, N.Y.)

|February 12, 1971

まとめ

月面のプロセスは,光学的なコントラストを生み出します. 明るいクレーターは,隕石の衝突や地域汚染により,時間の経過とともに暗くなり,月のアルベドと色の変化を説明します.

科学分野:

月の地質学と表面プロセス
惑星科学は惑星科学である.
リモートセンシングによる遠隔感知

背景:

月のマリアと高原は,異なるアルベドと色素特性を表しています.
月面材料の光学特性は時間とともに変化する.
アポロのサンプルと望遠鏡のデータは,月の組成に関する洞察を提供します.

研究の目的:

月面の光学特性とその時間的な変化を説明するモデルを提示する.
月面のマリアと高地の鉱物学を調査する.
明るいクレーターや光の進化を理解するために.

主な方法:

アポロ11号とアポロ12号の月面サンプルを分析した.
望遠鏡によるスペクトル反射度測定.
月面のプロセスモデルの開発.

主要な成果:

月面マリアは地域鉱物学的類似性を示し,高原はアノソシト・ガブロイクである.
明るいクレーターや光線は,結晶質の物質を暴露し,ガラスのような背景と対照的です.
マリアの明るい特徴は,インパクトガラス化と混合により暗くなります.
高原の明るい特徴は,主にメア物質の汚染によって暗くなる.

結論:

統一されたモデルは,月の光学的なコントラストと時間的な変化を説明します.
衝突プロセスと地域汚染は,月面の進化の主要な原動力である.
これらの過程を理解することは,月面観測の解釈に極めて重要です.

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