die Periheldrehung
Translation
perihelion precession, advance of the perihelion
Examples
Die Periheldrehung des Merkur ist ein bekanntes Phänomen.
The perihelion precession of Mercury is a well-known phenomenon.
Grammar Patterns
the ~ of ((sth.gen)) the perihelion precession (of sth.) The perihelion precession of Mercury is known.
Similar Words
Synonyms: Apsidendrehung (apsidal precession)
Etymology
Composed of 'Perihel' (perihelion, from Greek 'peri' near + 'helios' sun) and 'Drehung' (rotation, turn).
Memory Tips
Visualize a planet's orbit 'turning' (Drehung) at its closest point (Perihel) to the sun.