Oort cloud
| alt label |
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dcterms modified |   |
|||||||||||
| broader |
|
|||||||||||
| definition | A huge theoretical cloud of comets surrounding the Sun between about 50,000 and 100,000 astronomical units and thought to be the reservoir of long-period comets entering the inner solar system. | |||||||||||
| narrower |
|
|||||||||||
| type |
|
|||||||||||
| contributor | AAS_Frey.Katie original | |||||||||||