The length that light traveled in a period of 1,000 years, approximately 58.1 Million AU (Astronomical Units) 8.70309474E+15 km. Numbers are way beyond trillions and deep in the quadrillions.
A lightmillennium might seem alot, but it's a very small amount in comparison with the observable universe.
by 1m1m0 September 04, 2022