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水星

18 件の記事

MASCS spectrum scan of Mercury's surface by MESSENGER

水星の正体太陽に最も近い極限の世界を解き明かす

水星太陽系惑星メッセンジャー
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Interactive 3D model of MESSENGER

MESSENGERによる水星探査太陽系最内惑星の謎に迫った11年の旅

MESSENGER水星探査機NASA水星
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At left, tidally locked, the Moon rotates at the same rate it orbits the Earth, keeping the same face toward the planet. At right, not tidally locked, if the Moon did not rotate then the face would change over the course of an orbit. Viewed from north; not to scale.

潮汐ロックの仕組みと宇宙における影響

潮汐ロック同期回転天体力学月
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Topography (top) and corresponding gravity (bottom) signal of Mare Smythii on the Moon containing a significant mascon

マスコン（質量集中）とは何か月や惑星の重力異常がもたらす影響

マスコン質量集中重力異常月
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Diagram showing the five primary layers of the Earth's atmosphere: exosphere, thermosphere, mesosphere, stratosphere, and troposphere. The layers are to scale. From the Earth's surface to the top of the stratosphere (50km) is just under 1% of Earth's radius.

外気圏（エキソスフィア）の正体地球と天体を包む究極の境界線

外気圏エキソスフィア地球の大気熱圏
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Caravaggio is an example of a peak ring impact basin on Mercury.

水星の地質学太陽系最内惑星の構造と進化の謎

水星地質学惑星科学MESSENGER
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Ejecta blanket from Hadley C crater filling in Hadley Rille

エジェクタブランケット天体衝突が残す堆積物の科学

エジェクタブランケット衝突クレーター天体地質学月
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An illustration of space weathering's different components.

宇宙風化が天体表面に与える影響とメカニズム

宇宙風化レゴリスナノフェーズ鉄月
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Derivative of −Δt. The axis on the right shows the length of the solar day.

会合日（太陽日）の仕組みと天体ごとの周期的な違い

会合日太陽日恒星日自転周期
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At left, tidally locked, the Moon rotates at the same rate it orbits the Earth, keeping the same face toward the planet. At right, not tidally locked, if the Moon did not rotate then the face would change over the course of an orbit. Viewed from north; not to scale.

潮汐ロックの仕組みと宇宙における影響

潮汐ロック同期回転自転周期公転周期
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At left, tidally locked, the Moon rotates at the same rate it orbits the Earth, keeping the same face toward the planet. At right, not tidally locked, if the Moon did not rotate then the face would change over the course of an orbit. Viewed from north; not to scale.

潮汐ロックの仕組みと宇宙における影響

潮汐ロック同期回転天文学月
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At left, tidally locked, the Moon rotates at the same rate it orbits the Earth, keeping the same face toward the planet. At right, not tidally locked, if the Moon did not rotate then the face would change over the course of an orbit. Viewed from north; not to scale.

潮汐ロックの仕組みと宇宙における影響

潮汐ロック同期回転天文学月
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