orbit

• Nom désignant le chemin courbe, généralement elliptique, suivi par un corps céleste ou un satellite artificiel autour d'un corps plus massif sous l'effet de l'attraction gravitationnelle. Peut aussi désigner l'orbite de l'œil ou, par extension, une sphère d'influence ou de compétence.

A noun referring to the curved path, typically elliptical, that a celestial body or artificial satellite follows around a larger body due to gravitational attraction.

1. Celestial pathB2formalscientific

   The curved path of a celestial object or spacecraft around a star, planet, or moon.

   orbite

   • The Earth completes one orbit around the Sun every 365 days.
   • The satellite was placed into a low Earth orbit.
   • The moon's orbit is gradually expanding.

   Synonymescircuitcoursepathtracktrajectory

2. Electron pathC1formalscientific

   The path of an electron around the nucleus of an atom.

   Orbite électronique

   • Electrons move in specific orbits around the nucleus.
   • The energy level of an atom depends on the electron's orbit.
   • Quantum mechanics describes electron orbits as probability clouds.

   Synonymeselectron shellenergy levelshell

3. Sphere of influenceB2informal

   The range or area of someone's or something's influence or activity.

   Sphère d'influence

   • The new policy fell outside the manager's orbit of responsibility.
   • She operates within the orbit of the fashion industry.
   • His ideas were far outside the orbit of mainstream science.

   Synonymesambitcompassdomainfieldprovincepurviewrangereachscopesphere

• Verbe décrivant le mouvement le long d'une trajectoire incurvée autour d'un corps céleste ou d'un objet, généralement sous l'effet de l'attraction gravitationnelle.

A verb used to describe the act of moving in a curved path around a celestial body or object, typically due to gravitational attraction.

1. Move around a celestial bodyB2formalscientific

   To travel around a star, planet, or moon in a curved path due to gravitational attraction.

   Orbiter autour d'un corps céleste

   • The Moon orbits the Earth every 27.3 days.
   • The satellite will orbit the planet for two years.
   • Astronauts observed how the spacecraft orbited the space station.

   Synonymescirclecircumnavigateencirclelooprevolve

2. Travel in a circular pathB2formalscientific

   To move in a circular or elliptical path around a central point or object.

   Orbiter

   • Electrons orbit the nucleus of an atom.
   • The comet orbits the Sun once every 75 years.
   • The telescope tracked the asteroid as it orbited the solar system.

   Synonymescirclecircumnavigateencirclelooprevolve