It would take 2,638 Christmas lights for your house to be seen from space

It would take 2,638 Christmas lights for your house to be seen from space

Students in the Department of Physics and Astronomy at the University of Leicester have calculated how many LED Christmas lights it would take to make your house visible from space. Given that the luminosity of a single LED is 4 lumens it would take 2,638 LED Christmas lights in order for your house to be seen from the International Space Station.

https://le.ac.uk/news/2019/december/20-christmas-lights