Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
hypothetical star system
|
| gptkbp:alsoKnownAs |
gptkb:Nemesis
|
| gptkbp:category |
hypothetical astronomical objects
solar companions |
| gptkbp:evidence |
no observational evidence
|
| https://www.w3.org/2000/01/rdf-schema#label |
Nemesis star system
|
| gptkbp:inPopularCulture |
gptkb:science_fiction
|
| gptkbp:proposedBy |
gptkb:Richard_A._Muller
gptkb:Marc_Davis gptkb:Piet_Hut gptkb:Jack_G._Hills explain periodic mass extinctions |
| gptkbp:proposedCompanionOf |
gptkb:Solar_System
|
| gptkbp:proposedDistanceFromSun |
1.5 light years
2 light years |
| gptkbp:proposedType |
white dwarf
|
| gptkbp:relatedTo |
gptkb:Oort_cloud
mass extinction events comet showers |
| gptkbp:searchesConductedBy |
gptkb:NASA_WISE_mission
infrared sky surveys |
| gptkbp:searchResult |
not found
|
| gptkbp:status |
hypothetical
|
| gptkbp:yearProposed |
1984
|
| gptkbp:bfsParent |
gptkb:Nemesis_(book)
|
| gptkbp:bfsLayer |
6
|