Overview

light time


Show Summary Details

Quick Reference

The time taken for light to travel from an object to the observer. Light time must be taken into account when calculating the real times of occurrence of events such as eclipses, transits, and occultations of planetary satellites. The light time corresponding to one astronomical unit is 499 s. See also equation of light.

Subjects: Astronomy and Astrophysics.


Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.