A fairly recent stackechange post on this: https://space.stackexchange.com/questions/41142/do-the-latest-starlink-satellites-use-inter-satellite-laser-communic

A fairly recent stackechange post on this: https://space.stackexchange.com/questions/41142/do-the-latest-starlink-satellites-use-inter-satellite-laser-communications https://space.stackexchange.com/questions/41142/do-the-lates... (I had no idea what "laser comms" were, unfortunately they're not laser cannons but rather lasers for communications between satellites. Which is still pretty cool)