Random triples
| Subject | Object |
|---|---|
| gptkb:Cassiopeia_A | about 4,000–6,000 km/s |
| gptkb:Cygnus_Loop | about 1.5 million km/h |
| gptkb:Messier_1_(Crab_Nebula) | about 1,500 km/s |
| gptkb:Firework_Nebula | ~14,000 km/s |
| gptkb:Crab_Nebula | about 1,500 km/s |
| gptkb:Messier_1 | about 1,500 km/s |
| gptkb:Taurus_A | about 1,500 km/s |
| gptkb:Crab_Nebula_(M1) | ~1500 km/s |
| gptkb:M1_(Crab_Nebula) | about 1500 km/s |
| gptkb:NGC_1952 | about 1,500 km/s |
| gptkb:supernova_remnant_SN_1987A | about 4,000 km/s |