Satellites may make it tough to see stars, changing the sky as we know it

Expect the night sky to start changing fast. One day soon, the stars we can see from Earth could be outnumbered by a vast swarm of satellites.

While many people today live under the murk of light pollution, we can at least still travel to a glittering night sky in the mountains, the desert, or at sea. But if communications technology follows its current trajectory, anyone who wants to escape the byproducts of human activity might have to go to the moon.

Some professional astronomers raised alarms last spring, and again in November, after SpaceX launched batches of 60 Starlink satellites. These