English

Lagrange points (green), primary central object (yellow) and secondary orbiting object (blue)

Alternative forms

• (astrophysics): Lagrangian point

Noun

Lagrange point ‎(plural Lagrange points)

1. (astrophysics) a point in an the 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
   • 2013 July 28, Megan Gannon, “Spacecraft Sees Giant 'Hole' In the Sun”, in news.yahoo.com, retrieved 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.

Translations

Synonyms

• (astrophysics): L-point

Hyponyms

• (astrophysics): Trojan point

Hypernyms

• (astrophysics): libration point

Derived terms

• (astrophysics): Lagrangian , Lagrangian asteroid , Lagrangian moon , Lagrangian planet

Related terms

• (astrophysics): L1, L2, L3, L4, L5

See also

• (astrophysics): barycenter