Pronunciation

/plænɪt/

Definitions

Noun

1. Astronomy: A celestial body that revolves around a star and is not a star itself, typically having sufficient mass to assume a nearly spherical shape due to its own gravity. For example: “The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.”
2. Science: A large, usually spherical object in space, often with a defined atmosphere and capable of supporting life (Earth is the only known planet with life).

Adjective

1. Designating a celestial body fulfilling the criteria mentioned above.

Phrases

• “Planet Earth” refers to our home planet.
• “Planetary system” denotes a group of celestial bodies orbiting a central star.
• “Exoplanet” is a term used for a planet located outside our solar system.

Example Sentences

• Noun: “Jupiter is the largest planet in our solar system.”
• Adjective: “The exoplanet Proxima Centauri b is considered a rocky planet.”
• “The scientific study of planets is called planetary science.”

Synonyms

• World
• Solar body
• Celestial body
• Orbital body
• Exo-world

Antonyms

• Satellite
• Dwarf planet (when referring to a classification within our solar system)