Random triples
| Subject | Object |
|---|---|
| gptkb:Cygnus_X-9 | one of the key examples of X-ray binaries |
| gptkb:Centaurus_X-9 | important for understanding black hole formation |
| gptkb:Centaurus_X-20 | part of the class of X-ray binaries |
| Subject | Object |
|---|---|
| gptkb:Cygnus_X-9 | one of the key examples of X-ray binaries |
| gptkb:Centaurus_X-9 | important for understanding black hole formation |
| gptkb:Centaurus_X-20 | part of the class of X-ray binaries |