Astronomers say SpaceX’s satellites are too bright in the sky. Friday’s launch will try to fix that

They were seen sparkling across the skies of Montana right around Christmas: a tidy row of lights that some mistook to be UFOs. The glowing celestial train has been spotted in California, Texas, in the Netherlands and even Chile.

Source:
https://phys.org/news/2020-01-astronomers-spacex-satellites-bright-sky.html