planetesimal Definition
a minute planet; a body that could or did come together with many others under gravitation to form a planet..
Using planetesimal: Examples
Take a moment to familiarize yourself with how "planetesimal" can be used in various situations through the following examples!
Example
Planetesimals are believed to be the building blocks of planets.
Example
The formation of planetesimals is a key step in the creation of a solar system.
Example
Planetesimals can range in size from a few meters to several kilometers in diameter.
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Summary: planetesimal in Brief
A 'planetesimal' [plan-uh-tes-uh-muhl] is a small celestial body that can come together with others under gravity to form a planet. They are considered to be the building blocks of planets and are formed during the early stages of a solar system's creation.
