US Regulators Approve ‘Space Mirror’ Satellite, Astronomers Furious

FCC Greenlights Controversial Orbital Mirror

The US Federal Communications Commission (FCC) has approved a permit for a satellite that will deploy a giant mirror in space to reflect sunlight onto Earth after dark. The decision has triggered a wave of outrage from the global astronomical community.

The satellite, developed by a private company, is designed to orbit Earth and act as a space mirror, illuminating large areas of the planet at night. The project’s backers claim it could reduce the need for artificial lighting and cut energy costs.

However, scientists warn that the controlled reflection of sunlight will drastically increase light pollution, making it harder to study the night sky and potentially disrupting ecosystems that rely on natural darkness.

Astronomers Sound the Alarm

Leading astronomers have condemned the approval, arguing that the FCC has prioritised commercial interests over science. “This is a catastrophic precedent,” one researcher told Physics World. “A bright artificial ‘moon’ will ruin deep-sky observations for years to come.”

Professional observatories around the world, from the Atacama Desert to the Himalayas, rely on pristine dark skies. The space mirror’s glow could wash out faint celestial objects, from distant galaxies to near-Earth asteroids that might pose a collision risk.

Amateur astronomers, who often contribute to scientific monitoring, have also voiced frustration. Many say the project threatens a hobby that depends on natural night conditions.

Who Regulates Space?

The approval has reignited a fierce debate over who has the authority to permit such projects. The FCC, which typically handles terrestrial communications, is now making decisions about orbital infrastructure that could affect the entire planet.

Critics argue that no single national agency should have the power to approve a satellite that alters the night sky for everyone. International bodies like the International Astronomical Union have not yet taken a formal stance, but many of their members are calling for a global moratorium.

“The FCC is not equipped to weigh the environmental and scientific impact of a space mirror,” a Scientific American report noted. “There is no framework for public or scientific input in these permits.”

Unknowns Remain

The exact technical specifications of the satellite are still unclear. Company officials have not disclosed the mirror’s size, brightness, or orbital path. Astronomers say these details are critical to understanding the true impact.

Environmental groups have warned that the constant illumination could disrupt nocturnal wildlife, from migrating birds to sea turtles that rely on darkness for navigation. No environmental impact assessment has been made public.

The company has dismissed the criticism, insisting that the mirror will only operate for brief periods and in specific locations. Independent scientists remain sceptical, pointing out that even short bursts of reflected sunlight can ruin long-exposure astronomical images.

What Happens Next

The satellite’s launch date has not been announced. Legal challenges are expected from scientific and environmental organisations. The case will likely test whether national regulators can unilaterally authorise projects that affect the global commons of the night sky.