planète
/plaˈnɛt/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.
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💡Pro Tip
Astronomical vs. Common Usage
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.
⚡Gold Rule
Capitalization
In French, 'planète' is lowercase unless it starts a sentence or is part of a proper noun (e.g., 'Planète Terre').
📖Word Origin
From Latin 'planeta', from Greek 'planētēs' (wanderer), referring to celestial bodies that appear to move across the sky.
📝Usage Notes
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.