What is the meaning of round-trip light time?

noun

  • The elapsed time it takes for a signal to travel from Earth to a spacecraft (or other body) and back to the starting point.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). round-trip light time. Retrieved September 22, 2026, from http://smartdefine.org/round-trip_light_time/definitions/1249835
ChicagoWordNet. 2010. "round-trip light time" http://smartdefine.org/round-trip_light_time/definitions/1249835 (accessed September 22, 2026).
HarvardWordNet 2010, round-trip light time, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/round-trip_light_time/definitions/1249835>.
MLAWordNet. "round-trip light time" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/round-trip_light_time/definitions/1249835>