Statements (15)
Predicate | Object |
---|---|
gptkbp:instanceOf |
scientific theory
|
gptkbp:appliesTo |
comets
|
gptkbp:contrastsWith |
icy conglomerate model
|
https://www.w3.org/2000/01/rdf-schema#label |
dirty snowball hypothesis
|
gptkbp:influenced |
modern cometary science
|
gptkbp:proposedBy |
gptkb:Fred_Whipple
1950 comet nuclei are porous comet nuclei contain volatile ices and dust grains comets are composed of a mixture of ice and dust |
gptkbp:relatedTo |
solar system formation
|
gptkbp:usedIn |
gptkb:astronomy
|
gptkbp:bfsParent |
gptkb:Fred_L._Whipple
gptkb:Fred_Whipple |
gptkbp:bfsLayer |
7
|