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Noun: RTLT
  1. The elapsed time it takes for a signal to travel from Earth to a spacecraft (or other body) and back to the starting point
    - round-trip light time

Type of: elapsed time

Encyclopedia: RTLT

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Ru
RU 486
Ruanda
Ruandan
rub
Rub al-Khali
rub along
rub down
rub elbows
rub off