Random triples
| Subject | Object |
|---|---|
| gptkb:Larsen_C | early 1900s |
| gptkb:The_Sixth_Extinction | gptkb:2014 |
| gptkb:Cygnus_X-19 | 1971 by the Uhuru satellite |
| gptkb:Ursa_Minor_Dwarf_Galaxy | Hubble Space Telescope observations |
| gptkb:Tecumseh's_Curse | 1840 |
| gptkb:Coma_Berenices_Galaxy_Cluster | gptkb:1785 |
| gptkb:Reticulum_XXXI_Dwarf_Galaxy | astronomical surveys |
| gptkb:Stockholm_syndrome | gptkb:1973 |
| gptkb:Potemkin_Villages | gptkb:18th_century |