NASA movies show how fast light travels from Earth to the moon, Mars

https://www.businessinsider.com/how-fast-speed-light-travels-earth-moon-mars-nasa-2019-1

The speed of light is torturously slow, and these 3 simple animations by a scientist at NASA prove it A scientist at NASA animated how long it takes light to travel around Earth, to the moon, and to Mars. The movies show just how slow light can be. www.businessinsider.com