Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:scientific_theory
|
| gptkbp:appliesTo |
comets
|
| gptkbp:contrastsWith |
icy conglomerate model
|
| 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
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
dirty snowball hypothesis
|