1. The elapsed time it takes for light (or radio signals) to travel between the Earth and a celestial object
   - one-way light time

Type of: elapsed time

Encyclopedia: OWLT

• informed
• informed consent
• informer
• informer's privilege
• informercial
• informing
• infotainment
• infotech
• infra
• infra dig
• infract
• infraction
• infractor
• infrahuman
• inframaxillary
• infrangible
• infraorbital artery
• infrared
• infrared emission
• infrared frequency
• infrared lamp
• infrared light
• infrared radiation
• infrared ray
• infrared spectrum