Planetesimal (Noun)
Meaning
One of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system.
Classification
Nouns denoting natural objects (not man-made).
Examples
- The formation of the solar system is believed to have begun with the collision and merging of numerous planetesimals.
- These small, rocky bodies, known as planetesimals, eventually coalesced to form the planets.
- The early solar system was a chaotic place, with countless planetesimals careening through space and colliding with one another.
- Scientists have long been fascinated by the role that planetesimals played in the formation of the planets.
- The study of asteroids and comets provides valuable insights into the composition and behavior of ancient planetesimals.