English · Nature & Environment
/ˈplæn.ɪt/
[/ˈplæn.ɪt/]
large body orbiting a star
A large round object in space that moves around a star such as the sun.
Scientists discovered a distant planet that might have liquid water on its rocky surface.
Scientists discovered a distant planet that might have liquid water on its rocky surface.
From Greek 'planetes', a wanderer, because planets move against the fixed stars.
Used in astronomy and science.