California-based startup Reflect Orbital aims to build a swarm of 4,000 giant mirrors in low Earth orbit to “sell sunlight” to customers at night. Experts warn that the mirrors could mess with telescopes, blind stargazers and impact the environment.
Reflect Orbital, which was founded in 2021, has recently taken the first step in a scheme to sell sunlight at night by bouncing solar rays off giant “reflectors” that can redirect the vital resource almost anywhere on our planet. By doing this, the company aims to extend daylight hours in specific locations, thus allowing paying customers to generate solar power, grow crops and replace urban lighting.
But experts say it is a wildly impractical plan that should never get off the ground. What’s more, the resulting light pollution could devastate ground-based astronomy, distract aircraft pilots and even blind stargazers.



Oh, I think it’s a wonderful plan for the startup. They don’t own space, they don’t have any control over space, they’re selling something that they know they can’t possibly deliver because they would have to get people to agree that they’re allowed to steal sunlight and space, and that would never happen. It’s great for them. They can get some cash.
It works with water, why not sun? People don’t have to agree, no one’s going to ask them. It’ll just happen.
Life on earth depends on day and night cycles. This would cause an environmental disaster. So many animals would get fucked up.