That and what it's done for ground based astronomy.

What has it done for ground based astronomy?

As an astronomer, nothing meaningful. Oh, apart from making it possible for me to have a dark sky site that’s miles from anywhere, including the nearest cell tower.

Bastards.

https://www.scientificamerican.com/article/spacexs-dark-sate...

Even more distressing is that the photo is from 2019.