Oort cloud
See also: Oort Cloud
English
[edit]Etymology
[edit]A cloud-like structure, named after Dutch astronomer Jan Oort, who proposed it.
Proper noun
[edit]- Alternative form of Oort Cloud (the Solar System's Oort cloud)
Noun
[edit]Oort cloud (plural Oort clouds)
- (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
[edit]- Oort Cloud (the Solar System's Oort cloud)