Concept
Apsis

Overview
extreme point in an object's orbit
Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).
Related ideas
- Ancient Greek
- Johannes Kepler
- Formula
- Kepler's laws of planetary motion
- Neptune
- Moon
- Mercury (planet)
- Planet
- Poseidon
- Sun
- Star
- Solar System
- Zeus
- Jupiter (god)
- Uranus
- Newton's laws of motion
- Comet
- Helios
- Demeter
- Earth
- Ecliptic
- Axial tilt
Place in the tradition
Part of Confirmation holism.