Astronomical almanac and Ephemeris

Ephemeris and astronomical almanac are semantically related. In some cases you can replace term "Ephemeris" with "Astronomical almanac", this terms are similar.

Ephemeris noun - An annual publication containing astronomical tables that give the positions of the celestial bodies throughout the year.

Astronomical almanac and ephemeris are semantically related. Sometimes you can replace phrase "Astronomical almanac" with "Ephemeris", this terms are similar.