Satellite megaconstellations are threatening astronomy. What can be done?

Star light, star bright, first star I see tonight; I wish I may, I wish I might have the wish I wish tonight. That well-known nursery rhyme has a number of astronomers wishing away the dawn of all those Earth-orbiting megaconstellations that are dotting the sky today and into the future. More

(Source: Space.com - May 5)