Sentences

ephemeris in a sentence

n.

Definition

An ephemeris is a table or data file that provides the positions of celestial bodies at specific times, used for navigation and astronomical calculations.

Sample Sentences

  1. An ephemeris is essential for astronomers to predict the positions of celestial bodies.
  2. The ancient mariners relied on an ephemeris to navigate the vast oceans under the stars.
  3. To accurately chart the course of a spacecraft, engineers consulted the latest ephemeris.
  4. This year's ephemeris provided crucial data for the upcoming solar eclipse.
  5. Astrophysicists often publish their findings alongside updated ephemerides for public access.

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