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La Terre est une planète dans notre système solaire.
Earth is a planet in our solar system.
A celestial body orbiting a star, typically large enough to be rounded by its own gravity and not a satellite of another body.
Mars est la quatrième planète du système solaire.
Mars is the fourth planet in the solar system.
In astronomy, planets are distinct from stars and moons.
In astronomy, a planet must orbit a star and be large enough to be rounded by its own gravity. In everyday language, it often refers to any large celestial body.
In French, 'planète' is lowercase unless it starts a sentence or is part of a proper noun (e.g., 'Planète Terre').
From Latin 'planeta', from Greek 'planētēs' (wanderer), referring to celestial bodies that appear to move across the sky.
In everyday language, 'planète' refers to large celestial bodies like Earth or Mars. In astronomy, it has a more specific definition based on size and orbit.