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

• Synaptomys borealis
• Synaptomys cooperi
• synarthrosis
• sync
• syncarp
• syncarpous
• syncategorem
• syncategorematic
• syncategoreme
• synch
• synchondrosis
• synchro
• synchrocyclotron
• synchroflash
• synchromesh
• synchronal
• synchroneity
• synchronic
• synchronic linguistics
• synchronicity
• synchronisation
• synchronise
• synchronised
• synchronised swimming
• synchroniser