Ephemeris (Noun)
Meaning
An annual publication containing astronomical tables that give the positions of the celestial bodies throughout the year; "today computers calculate the ephemerides".
Classification
Nouns denoting communicative processes and contents.
Examples
- The astronomer consulted the ephemeris to determine the exact timing of the lunar eclipse.
- The annual publication of the ephemeris was eagerly anticipated by astronomers and stargazers alike.
- The ephemeris provided the necessary data for the spacecraft to navigate through the solar system.
- Historically, the ephemeris was calculated by hand, a laborious process that required great mathematical skill.
- The ephemeris is still widely used today, although its calculations are now performed by computers rather than humans.