The Vanishing Night Sky – How Satellite Mega-Constellations Are Erasing the Stars

Not too long ago, a clear night outside a small town had significance. The sky would silently astound you if you took a few steps away from the porch light and tilted your head back. Most people haven’t fully realized how quickly that experience is disappearing. A stargazer who used to see 250 stars overhead now only sees roughly 100, according to a 2023 study. Not in a hundred years. 18 years from now.

It would be too simple to assign blame to just one of the many factors. A significant portion should go to urban LEDs. However, the more recent and unfamiliar issue is located roughly 550 kilometers above our heads. The orbital neighborhood has grown from about 2,000 operational satellites to something that resembles a shaken snow globe in long-exposure photos since Elon Musk’s SpaceX launched the first batch of Starlink satellites in May 2019. Using a term used by climate scientists, one astrophysicist referred to the trajectory as a “hockey stick” plot. Steady, steady, steady, and finally vertical.

When viewed alone, the numbers almost seem cartoonish. Over 7,000 more satellites have already received clearance from the US Federal Communications Commission. Tens of thousands are what SpaceX desires. Project Kuiper by Amazon is growing. Constellations are in different stages of paperwork and ignition, including China, the EU, and various smaller players. The results of a recent Nature study that simulated what would happen if the 560,000 planned satellites actually made it into orbit were not encouraging. It’s possible that nearly 40% of Hubble photos are streaked. Up to 96% of the exposures in ground-based surveys may be compromised. Future mega-telescopes may have up to 90 satellite trails in a single frame.

As you watch this happen, it’s difficult not to feel something. Similar to how doctors occasionally explain a prognosis, astronomers discuss it with a certain flatness. I recently read about an Arizona researcher who likened the view from his telescope to “many, many thousands of rotating, glinting ruffled potato chips.” I couldn’t shake that picture. It contains both a dark comedy and a deeper sadness.

The engineering responses are accurate but not comprehensive. Darker coatings, sun visors, and mirror films designed to scatter light instead of reflect it have all been tested by SpaceX. Because the satellites enter Earth’s shadow earlier after sunset, lower orbits—less than 600 kilometers—help. However, “helps” does not equate to “solves.” With electromagnetic leakage from thousands of tiny transmitters overpowering the sensitive instruments that detected the first signals from the early universe, radio astronomy faces its own silent catastrophe. Coating won’t get you out of that.

Naturally, regulation is falling behind. For many years, the International Astronomical Union has been raising the alarm for a formal framework to safeguard the “dark and quiet sky.” There isn’t a legally binding international agreement. Despite its ancient cultural significance, no one owns the night sky, so whoever launches first actually owns it. Antitrust concerns were raised about Tesla. Meta had privacy issues. Space currently faces very little.

The human element is lost in the policy discourse. Every single culture on the planet based its early myths on the stars. Poetry, navigation, religion, and agriculture all began with looking up. We might adjust, as we always seem to, and our grandchildren will just take a moving light sky for granted. However, something will disappear. Slowly but surely, there’s a sense that we’re endorsing the defeat without actually casting a vote.