Random triples
| Subject | Object |
|---|---|
| gptkb:north_and_south_poles_of_Mars | climate change on Mars |
| gptkb:Herbig–_Haro_objects | massive star formation |
| gptkb:Herbig-Haro_objects | the presence of young stellar objects |
| gptkb:Classical_T_Tauri_stars | stellar evolution stages |