You searched for: “ephemeris
ephemeris (s) (noun), ephemerides; ephemerises (pl)
1. A chart providing the future positions of celestial bodies: An ephemer is a table listing the future positions of the Sun, Moon, and planets over a given period of time.
2. An annual publication containing astronomical tables: In an ephemer there are lists of the positions of the celestial bodies that occur throughout the year.
This entry is located in the following unit: Astronomy and related astronomical terms (page 10)
Word Entries containing the term: “ephemeris
ephemeris time (s) (noun) (no pl)
The official system of mean solar time: An ephemeris time was a method used to calculate data for tables of changing astronomical phenomena (ephemerides).
This entry is located in the following unit: Astronomy and related astronomical terms (page 10)