Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:astrophysical_concept
|
| gptkbp:allows |
energy extraction
|
| gptkbp:borders |
static limit
|
| gptkbp:discoveredBy |
gptkb:Roger_Penrose
|
| gptkbp:etymology |
from Greek 'ergon' (work)
|
| gptkbp:features |
gptkb:Kerr_metric
|
| gptkbp:property |
region outside event horizon
frame dragging occurs |
| gptkbp:relatedTo |
gptkb:Penrose_process
gptkb:Kerr_black_hole gptkb:rotating_black_hole |
| gptkbp:yearProposed |
1969
|
| gptkbp:bfsParent |
gptkb:black_hole_superradiance
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
ergoregion
|