Oort cloud

See also: Oort Cloud

English

Etymology

A cloud-like structure, named after Dutch astronomer Jan Oort, who proposed it.

Proper noun

the Oort cloud

  1. Alternative letter-case form of Oort Cloud (the Solar System's Oort cloud).

Noun

Oort cloud (plural Oort clouds)

  1. (astronomy) A roughly spherical region of space composed of comet-like bodies and other minor planets and asteroids that orbit distantly in a planetary system.

Hyponyms

Coordinate terms