Planetesimal

usgb/ˌplænɪˈtɛzəməl/
noun

A small solid object formed from dust and ice in a protoplanetary disk, which can combine with other planetesimals to form planets.

Researchers study the composition of planetesimals to understand the early solar system.
Visual representation of "planetesimal" - A small solid object formed from dust and ice in a protoplanetary disk, which can combine with other planetesimals to form planets.

Often appears as...

  • formation of planets
  • accretion of planetesimals

Usage tips

Neutral

celestial body, protoplanetary disk, planetary formation

Definition 1 of 1
Visual representation of "planetesimal"
LampPro Tip 1/3

Contextual Understanding

In astronomy, planetesimals are key players in the formation of planets. Understanding their role helps in learning about planetary formation.

Illustration for Contextual Understanding
Planetesimals coalesced to form the Earth, illustrating their importance in solar system development.
LampPro Tip 2/3

Scientific Terminology

When using 'planetesimal', especially in scientific writing, ensure clarity about its specific meaning related to celestial bodies.

Illustration for Scientific Terminology
The term 'planetesimal' is often used in technical journals, where precise definitions matter.
LampPro Tip 3/3

Visualizing Concepts

Visual aids, like diagrams of the solar system's formation, can enhance understanding of planetesimals.

Illustration for Visualizing Concepts
A diagram showing planetesimal collisions helps explain their role in forming larger bodies.
Visual representation of the word "Planetesimal"

Never forget "Planetesimal"

Humans forget easily. That's why you should download WordUp: Smart reminders, word games, AI practice, and much more!

Download on the App StoreGet it on Google PlayGet it from MicrosoftGet it on AppGallery
Chrome

WordUp Chrome Extension

As you browse the web instantly look up words you don’t know.

Get Chrome Extension
Back to top