round-trip light time (English, noun)
expansion: round-trip light time (countable and uncountable, plural round-trip light times)
Senses:
topics: astronomy
cosmology
natural-sciences
glosses: The amount of time required for an electromagnetic signal to travel from Earth to a spacecraft or another celestial body within the Solar System and then return.
tags: countable
uncountable
Forms:
form: round-trip light times
tags: plural