Satellite swarms may outshine the night sky’s natural constellations

“Mega-constellations” from those satellites will be visible to the naked eye, simulations suggest

image of Mars and the Pleiades star cluster with crisscrossing streaks from Starlinks satellites

Artificial satellites like SpaceX’s Starlink constellations will leave streaks in photos of the sky taken by researchers and amateur astronomers alike. This photo shows Mars (left) and the Pleiades star cluster with light trails from two Starlinks crisscrossing the scene.

Christophe Lehenaff/Moment/Getty Images Plus

Fleets of private satellites orbiting Earth will be visible to the naked eye in the next few years, sometimes all night long.