gptkbp:instanceOf
|
hypothetical astronomical structure
|
gptkbp:composition
|
water ice
methane
ammonia
|
gptkbp:contains
|
comets
icy planetesimals
|
gptkbp:discoveredBy
|
gptkb:Jan_Oort
|
gptkbp:distanceFromEarth
|
2,000 to 100,000 AU
|
gptkbp:dividedInto
|
gptkb:inner_Oort_Cloud
gptkb:outer_Oort_Cloud
|
https://www.w3.org/2000/01/rdf-schema#label
|
Oort Cloud
|
gptkbp:influencedBy
|
molecular clouds
galactic tides
passing stars
|
gptkbp:innerBoundary
|
gptkb:Kuiper_Belt
|
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
|
1950
|
gptkbp:region
|
trans-Neptunian region
|
gptkbp:relatedTo
|
gptkb:Hills_cloud
gptkb:scattered_disc
gptkb:Kuiper_Belt
|
gptkbp:shape
|
spherical
|
gptkbp:sometimesCalled
|
gptkb:Öpik–Oort_cloud
|
gptkbp:source
|
long-period comets
|
gptkbp:bfsParent
|
gptkb:concert_hall
|
gptkbp:bfsLayer
|
4
|