Last Updated
：2025/11/26
L4
Noun
abbreviation
alt-of
Japanese Meaning
（天体物理学）第四ラグランジュ点。より大きな天体の周りを回る小天体の軌道上で、先行60度の位置にある点を指す。
（ plural ）
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(astrophysics) Abbreviation of fourth Lagrange point, located 60 degrees ahead on the orbit of the smaller object in orbit around a larger one
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L4
Mission planners decided to place the probe at L4 to observe how dust and small bodies collect 60 degrees ahead of the Moon's orbit.
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Mission planners decided to place the probe at L4 to observe how dust and small bodies collect 60 degrees ahead of the Moon's orbit.
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