A light-year is the distance light travels in one year: about 9.46 trillion km.
✓ TRUE FACT
Light travels at about 299,792,458 m/s, so in one year it covers roughly 9.46×10¹² km. That’s a distance unit, not a time unit.
🤯 "A light-year is the distance light travels in one year — about 9.46 trillion km, or roughly how far your Wi-Fi signal feels when you move two rooms away from the router."