Term: round-trip light time: the elapsed time it takes for a signal to travel from Earth to a spacecraft (or other body) and back to the starting point
Broader: elapsed time: the time that elapses while some event is occurring | Unrelated: tidal flow: the water current caused by the tides
Broader: elapsed time: the time that elapses while some event is occurring | Unrelated: jack of all trades: a person able to do a variety of different jobs acceptably well
Broader: elapsed time: the time that elapses while some event is occurring | Unrelated: wristwatch: a watch that is worn strapped to the wrist
Broader: elapsed time: the time that elapses while some event is occurring | Unrelated: malacostracan crustacean: a major subclass of crustaceans
Broader: elapsed time: the time that elapses while some event is occurring | Unrelated: jet lag: fatigue and sleep disturbance resulting from disruption of the body's normal circadian rhythm as a result of jet travel
Broader: elapsed time: the time that elapses while some event is occurring | Unrelated: plane: a level of existence or development
Broader: elapsed time: the time that elapses while some event is occurring | Unrelated: picofarad: a unit of capacitance equal to one trillionth of a farad
Broader: elapsed time: the time that elapses while some event is occurring | Unrelated: wormhole: hole made by a burrowing worm
Broader: elapsed time: the time that elapses while some event is occurring | Unrelated: ictalurus: channel catfishes
Broader: elapsed time: the time that elapses while some event is occurring | Unrelated: love lyric: the lyric of a love song