noun a celestial body that is smaller than a planet but larger than an asteroid
adjective describing something related to or resembling a planetoid
In astronomy, a planetoid is a celestial body that is smaller than a planet but larger than an asteroid, typically found in the asteroid belt.
Planetoids are often studied by space exploration missions to learn more about the formation and composition of our solar system.
Astrophysicists study planetoids to understand the dynamics of the solar system and the interactions between different celestial bodies.
Planetoids play a key role in planetary science research, providing insights into the history and evolution of our solar system.
Astronomers use the term 'planetoid' to refer to small celestial bodies that are not classified as planets but are larger than asteroids.
Geologists may use 'planetoid' when studying the composition of small rocky bodies in space.
Science fiction writers might use 'planetoid' to describe a fictional small planet-like object in their stories.
Astrophysicists use 'planetoid' to categorize minor planets or dwarf planets in the solar system.