Random triples
| Subject | Object |
|---|---|
| gptkb:Posidonius_of_Apamea | Earth's circumference |
| gptkb:Aristarchos_of_Samos | relative sizes of the Sun and Moon |
| gptkb:Aristarchos_of_Samos | relative distances of the Sun and Moon from Earth |
| gptkb:Abu_al-Qasim_al-Khujandi | Earth's axial tilt |