Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
hypothetical planet
|
| gptkbp:alsoKnownAs |
gptkb:Planet_Nine
|
| https://www.w3.org/2000/01/rdf-schema#label |
Planet X
|
| gptkbp:hypothesizedLocation |
gptkb:outer_Solar_System
|
| gptkbp:inPopularCulture |
featured in science fiction
|
| gptkbp:modernTheory |
gptkb:Planet_Nine_hypothesis
|
| gptkbp:possibleMass |
5-10 Earth masses
|
| gptkbp:possibleOrbit |
beyond Neptune
|
| gptkbp:proposedBy |
gptkb:Percival_Lowell
1906 |
| gptkbp:reasonForHypothesis |
perturbations in Uranus and Neptune's orbits
|
| gptkbp:relatedTo |
gptkb:Pluto
|
| gptkbp:searchesConductedBy |
gptkb:Clyde_Tombaugh
|
| gptkbp:status |
not confirmed
|
| gptkbp:bfsParent |
gptkb:Groot
|
| gptkbp:bfsLayer |
5
|