Oort cloud
See also: Oort Cloud
English
Etymology
A cloud-like structure, named after Dutch astronomer Jan Oort, who proposed it.
Proper noun
- Alternative letter-case form of Oort Cloud (“the Solar System's Oort cloud”).
Noun
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
- Oort Cloud (“the Solar System's Oort cloud”)
Coordinate terms
- Kuiper disc
- Kuiper belt
- asteroid belt