in astronomy, angular separation between the Sun and a planet, with the Earth as a reference point
This diagram shows various possible elongations (ε), each of which is the angular distance between a planet and the Sun from Earth's perspective.
In astronomy, a planet's elongation is the angular separation between the Sun and the planet, with Earth as the reference point.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).