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宇宙探査

57 件の記事

Boulders near Ziwei crater. Image captured by Yutu rover

嫦娥3号中国初の月面着陸と月面車「玉兔」の挑戦

嫦娥3号玉兔月面着陸中国国家航天局
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Chang'e 5 launch configuration (from top):Ascender (Ascent stage)Lander (Lunar lander)Re-Entry Capsule (Earth lander)Orbiter (Orbital vehicle)

嫦娥5号中国首次月球采样返回任务の全貌

嫦娥5号月球サンプルリターン中国国家航天局CNSA
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ISRU reverse water gas shift testbed (NASA KSC)

ISRU（現地資源利用）が切り拓く宇宙探査の未来

ISRU現地資源利用宇宙探査火星
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The Apollo 17 Command Module America seen in lunar orbit from the ascent stage of the Lunar Module

地球外周回機太陽系を旅する人工衛星の軌跡

地球外周回機人工衛星月周回機火星探査機
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A diagram showing the five Lagrange points in a two-body system

ラグランジュ点とは？宇宙探査の戦略的拠点となる5つのポイント

ラグランジュ点L1L2ジェイムズ・ウェッブ宇宙望遠鏡
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All active Solar System space probes in 2026 (and a list of upcoming ones)

惑星間航行の現状と未来地球を飛び出し深宇宙へ挑む技術

惑星間航行宇宙探査脱出速度スイングバイ
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Example encounter.[2]In the planet's frame of reference, the space probe leaves with the exact same speed at which it had arrived. But when observed in the reference frame of the Solar System (fixed to the Sun), the benefit of this maneuver becomes apparent. Here it can be seen how the probe gains speed by tapping energy from the speed of the planet as it orbits the Sun. (If the trajectory is designed to pass in front of the planet instead of behind it, the gravity assist can be used as a braking maneuver rather than accelerating.) Because the mass of the probe is many orders of magnitude smaller than that of the planet, while the result on the probe is quite significant, the deceleration reaction experienced by the planet, according to Newton's third law, is utterly imperceptible.

Gravity Assist（スイングバイ）の仕組みと宇宙探査への応用

Gravity Assistスイングバイ重力アシスト軌道力学
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Computer-generated imagery of Venusian topography data

シフ山金星に眠る巨大盾状火山と最新の火山活動の証拠

シフ山金星盾状火山エイスラ地域
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Several "pancake volcanoes" called Carmenta Farra

金星のパンケーキドーム特異な火山地形の正体に迫る

金星パンケーキドームファルム火山地形
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Venusian arachnoid Trotula Corona[1]

金星の謎に包まれた地質構造「アラクノイド」とは

金星アラクノイド天体地質学地質構造
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金星の地形学多様な地名と地質学的特徴の体系的まとめ

金星地形惑星地質学ヴァリス
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Composition of the atmosphere of Venus. The chart on the right is an expanded view of the trace elements that all together do not even make up a tenth of a percent.

金星の大気構造と過酷な環境のメカニズム

金星大気組成二酸化炭素温室効果
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