Associations to the word «Planetesimal»

Wiktionary

PLANETESIMAL, noun. (astronomy) Any of many small, solid astronomical objects, that orbit a star and form protoplanets through mutual gravitational attraction

Dictionary definition

PLANETESIMAL, noun. One of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system.

Wise words

The chief virtue that language can have is clearness, and nothing detracts from it so much as the use of unfamiliar words.
Hippocrates