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

• genus Trollius
• genus Trombicula
• genus Tropaeolum
• genus Tropidoclonion
• genus Truncocolumella
• genus Tsuga
• genus Tuber
• genus Tubercularia
• genus Tulestoma
• genus Tulipa
• genus Tulostoma
• genus Tunga
• genus Tupaia
• genus Tupinambis
• genus Turbatrix
• genus Turdus
• genus Turnix
• genus Turreae
• genus Turritis
• genus Tursiops
• genus Tussilago
• genus Tylenchus
• genus Tympanuchus
• genus Typha
• genus Tyrannosaurus