Random triples
| Subject | Object |
|---|---|
| gptkb:Cygnus_X-1 | for black hole existence |
| gptkb:supernova_SN_1054 | visible during daytime |
| gptkb:Black_Hole_Era | Gravitational waves from merging black holes |
| gptkb:gamma-ray_burst_GRB_170817_A | kilonova associated with the event |
| gptkb:Cygnus_X-1 | strong observational evidence for black holes |
| gptkb:Cosmic_Microwave_Background | cosmological inflation |