Sky & Telescope (27 March 2023)

Satellites and space debris are polluting our night skies

​Anyone who has watched the night sky recently knows it: Satellites are everywhere. They flash across the firmament, paint streaks on photos, and irritate stargazers. In just three years since the advent of so-called megaconstellations, such as SpaceX’s Starlink, light pollution by objects in Earth’s orbit has moved from non-topic to possibly the most serious threat to ground-based astronomy. And, as John Barentine (Dark Sky Consulting) and his colleagues discuss in a paper published in Nature Astronomy, it could get worse — much worse.

Read more: ​https://skyandtelescope.org/astronomy-news/satellites-and-space-debris-are-polluting-our-night-skies/