Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
hypothetical star
|
| gptkbp:alternativeTo |
gptkb:Planet_X
Shiva hypothesis |
| gptkbp:explains |
periodicity of mass extinctions
comet showers from Oort cloud |
| https://www.w3.org/2000/01/rdf-schema#label |
Nemesis (hypothetical star)
|
| gptkbp:hypothesizedOrbit |
elliptical orbit around the Sun
|
| gptkbp:hypothesizedPeriod |
26 million years
|
| gptkbp:hypothesizedToBe |
companion star to the Sun
|
| gptkbp:hypothesizedType |
white dwarf
|
| gptkbp:mentionedIn |
scientific literature
|
| gptkbp:namedAfter |
Nemesis (Greek goddess of retribution)
|
| gptkbp:proposedBy |
gptkb:Richard_A._Muller
gptkb:Marc_Davis gptkb:Piet_Hut gptkb:Jack_G._Hills 1984 |
| gptkbp:publicInterest |
popular in media and science fiction
|
| gptkbp:relatedTo |
gptkb:Oort_cloud
Sun mass extinction events |
| gptkbp:searchStatus |
not detected
considered unlikely by most astronomers |
| gptkbp:bfsParent |
gptkb:Planet_Nine
|
| gptkbp:bfsLayer |
7
|