Random triples
| Subject | Object |
|---|---|
| gptkb:Astronomical_Twilight | between 12 and 18 degrees below horizon |
| gptkb:tropics | sun is directly overhead at least once a year |
| gptkb:Winter_Solstice:_North | gptkb:Tropic_of_Capricorn |
| gptkb:September_equinox | directly above the equator |
| gptkb:Ekvator | Sun is directly overhead at equinoxes |
| gptkb:Summer_Solstice | highest point in the sky at noon |