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Lagrangian points
(redirected from Lagrangian point)

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Lagrangian points

Five locations in space where the centrifugal and gravitational forces of two bodies neutralize each other; a third, less massive body located at any one of these points will be held in equilibrium with respect to the other two. Three of the points, L1–L3, lie on a line joining the two large bodies. The other two points, L4 and L5, which are the most stable, lie on either side of this line. Their existence was predicted in 1772 by French mathematician Joseph Louis Lagrange.

The Trojan asteroids lie at Lagrangian points L4 and L5 in Jupiter's orbit around the Sun. Clouds of dust and debris may lie at the Lagrangian points of the Moon's orbit around the Earth.
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The spacecraft are traveling on separate trajectories to a point in the Earth-Sun system called the second Lagrangian point, four times farther away than the moon's orbit, or an average distance of 1.
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Over the coming weeks, the two satellites will undergo testing as they each gradually deploy to orbits around the so-called second Lagrangian point (L2).
Europe launches 'Big Bang' space telescopes by AFP / AFP Global Edition
Michael Mann's film Ali explores the complexities of life in a Lagrangian point, with forces pulling him between champion boxer and cultural icon.
Ali: forebears but no heirs. (In the Mix) by McKissack, Fred, Jr. / The Progressive
 
 
 
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