One-way Light Time (Noun)
Meaning
The elapsed time it takes for light (or radio signals) to travel between the Earth and a celestial object.
Classification
Nouns denoting time and temporal relations.
Examples
- The one-way light time to Mars varies from 3 to 22 minutes, depending on the position of the two planets.
- The spacecraft's communication delay was significant due to the long one-way light time between Earth and Jupiter.
- Astronomers must account for the one-way light time when calculating the position of celestial objects in real-time.
- The one-way light time to the Moon is approximately 1.25 seconds, which is relatively short compared to other celestial bodies.
- The delay in receiving signals from Voyager 1 is substantial, with a one-way light time of over 20 hours due to its vast distance from Earth.