Lagrange point

English thumb|Lagrange points (green), primary central object (yellow) and secondary orbiting object (blue) Alternative forms en Lagrangian point Etymology thumb|60-degree separation of L4 and L5 Lagrange points Named after Joseph Louis Lagrange, who discovered the points L4 and L5, building on earlier work by Leonhard Euler, and in 1772 published an essay on the three-body problem. Noun en astrophysics orbital mechanics A point in an orbital configuration of a two-body system where a small object affected only by gravity can theoretically be stationary relative to the two larger objects. en Mathematically, the Lagrange points represent solutions to a restricted form of the three body problem in which the mass of one object is assumed negligible compared to that of the two principal bodies—as, for example, an artificial satellite and the Earth–Moon system. en 2008 David Schrunk; Burton Sharpe; Bonnie L. Cooper; Madhu Thangavelu The Moon: Resources, Future Development and Settlement Springer, Praxis Publishing https://books.google.com.au/books?id=oxLBa_8tLHAC&pg=PA57&dq=%22Lagrange+point%22%7C%22Lagrange+points%22&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwiBxvONr8z1AhV4kWoFHUmEA5QQ6AF6BAhaEAI#v=onepage&q=%22Lagrange%20point%22%7C%22Lagrange%20points%22&f=false 57 Lagrange points are significant for lunar development in that raw materials, such as near-Earth objects (NEOs) can be safely stored at L-4 and L-5 prior to mining and processing. en 2013-07-28 Megan Gannon Spacecraft Sees Giant 'Hole' In the Sun news.yahoo.com http://news.yahoo.com/spacecraft-sees-giant-hole-sun-video-153040642.html 2013-07-29 The $1.27-billion (1 billion euros) SOHO satellite was launched in 1995 and is flying a joint mission between NASA and the European Space Agency (ESA). It watches solar activity from an orbit about the Lagrange Point 1, a gravitationally stable spot between Earth and the sun that is about 932,000 miles (1.5 million kilometers) from our planet. https://web.archive.org/web/20240129030846/http://news.yahoo.com/spacecraft-sees-giant-hole-sun-video-153040642.html 29 January 2024 en 2016 Francis Lyall; Paul B. Larsen Space Law Taylor & Francis (Routledge) https://books.google.com.au/books?id=PZveCwAAQBAJ&pg=PA247&dq=%22Lagrange+point%22%7C%22Lagrange+points%22&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwiBxvONr8z1AhV4kWoFHUmEA5QQ6AF6BAg5EAI#v=onepage&q=%22Lagrange%20point%22%7C%22Lagrange%20points%22&f=false 247 For science several of the Lagrange points are important. The question of access to Lagrange points or GSO slots emerges as these become congested. en Don Lincoln The telescope that will replace Hubble will launch on Christmas. Here’s why it matters w:CNN https://www.cnn.com/2021/12/24/opinions/james-webb-space-telescope-launch-lincoln 2021-12-24 The 1.2-meter-diameter (4-foot-diameter) telescope has set off on a monthlong journey to its orbital destination of the sun-Earth Lagrange point L2, which is nearly 1 million miles (1.6 million kilometers) away from Earth and also home to NASA’s James Webb Space Telescope. Euclid will keep pace with Earth as our planet orbits the sun. Synonyms astrophysics en L-point Hypernyms astrophysics en libration point Hyponyms astrophysics en Trojan point Derived terms astrophysics en Lagrangian, en Lagrangian asteroid, en Lagrangian moon, en Lagrangian planet Related terms astrophysics en L1, en L2, en L3, en L4, en L5 Translations point in an orbital configuration Arabic: ar نُقْطَة لَاغْرَانْج f nuqṭat laḡranj Bulgarian: bg то́чка на Лагра́нж f Chinese: Mandarin: cmn 拉格朗日點 Lāgélǎngrì diǎn French: fr point de Lagrange m German: de Lagrange-Punkt m Italian: it punto di Lagrange m Japanese: ja ラグランジュ点 Raguranju-ten Korean: ko ^라그랑주-점 Persian: fa نقطه لاگرانژی noqte-ye lâgrânži Polish: pl punkt Lagrange'a m-in Russian: ru то́чка Лагра́нжа f Spanish: es punto de Lagrange m Swedish: sv Lagrangepunkt c Vietnamese: vi điểm Lagrange See also astrophysics en barycenter en eponyms en Lagrange points Orbits Places