Random triples
| Subject | Object |
|---|---|
| gptkb:Draco_Dwarf_Galaxy | no recent activity |
| gptkb:Leo_A | recent and ongoing |
| gptkb:NGC_3621 | active |
| gptkb:Barnard's_Galaxy | active |
| gptkb:WLM_Galaxy | ongoing |
| gptkb:Spiral_Galaxy | Active in arms |
| gptkb:Centaurus_A_(NGC_5128) | active |
| gptkb:Leo_II_Dwarf_Galaxy | ceased billions of years ago |
| gptkb:Arp_147 | active in ring galaxy |
| gptkb:Cosmic_Peekaboo | active |
| gptkb:Arp_188 | active in tidal tail |