Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
hypothetical astronomical structure
|
| gptkbp:composition |
water ice
methane ammonia |
| gptkbp:contains |
icy planetesimals
long-period comets |
| gptkbp:distanceFromEarth |
2,000 to 100,000 AU
|
| https://www.w3.org/2000/01/rdf-schema#label |
Oort cloud
|
| gptkbp:innerBoundary |
gptkb:Hills_cloud
|
| gptkbp:locatedIn |
gptkb:outer_Solar_System
|
| gptkbp:mass |
several Earth masses
|
| gptkbp:namedAfter |
gptkb:Jan_Oort
|
| gptkbp:notDirectlyObserved |
true
|
| gptkbp:outerBoundary |
interstellar space
|
| gptkbp:partOf |
gptkb:Solar_System
|
| gptkbp:populationEstimate |
trillions of objects
|
| gptkbp:proposedBy |
gptkb:Jan_Oort
1950 |
| gptkbp:relatedTo |
gptkb:Kuiper_belt
|
| gptkbp:shape |
spherical
|
| gptkbp:source |
long-period comets
|
| gptkbp:bfsParent |
gptkb:Jan_Hendrik_Oort
gptkb:Jan_Oort |
| gptkbp:bfsLayer |
5
|