マール・マージニスとマール・オリエンタルで大型マスクンが存在しない
Science (New York, N.Y.)
|November 28, 1969
まとめ
Lunar Orbiterのデータ分析は,月の四肢の近くに大きなマスクの証拠がないことを明らかにしています. シミュレーションは,四肢マスクの著しい加速を予測しましたが,ドップラー追跡データはこれらの発見と矛盾しています.
科学分野:
- 月科学は月科学である.
- 地質物理学 地質物理学とは地質物理学です.
- 軌道力学 軌道力学とは
背景:
- マスコン (質量濃度) は,月の地殻の平均より質量が高い領域です.
- 以前の研究では,マスコンが月の四肢の近くに存在している可能性が示唆されていた.
- マスコン分布を理解することは,月の地質学と重力場モデリングに不可欠です.
研究 の 目的:
- 月面軌道探査機のデータを用いて,月面四肢の近くにある大型マスコンの存在を調査する.
- シミュレートされたマスコット効果と実際の軌道観測の間の不一致を調和させるため.
主な方法:
- 月面軌道探査機3と5のドップラー追跡データから得られた視界線残留加速の分析.
- 観測された加速を,仮説的な四肢マスクの効果を予測するシミュレーションと比較.
主要な成果:
- 月面の四肢の近くでは,有意なマスクンの証拠は見つかりませんでした.
- シミュレーションでは,Mare OrientaleとMare Marginisの大きなマスクが検出可能な加速を生じるべきだと示しました.
- 観測された加速は,実質的な四肢マスクの存在と矛盾していました.
結論:
- この研究は,月面の四肢の近くにある大型マスコンの存在を裏付けるものにはならない.
- 不一致は,月の地球物理モデルを検証する際の観測データの重要性を強調しています.
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