this post was submitted on 06 Nov 2025
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Controversial startup's plan to 'sell sunlight' using giant mirrors in space would be 'catastrophic' and 'horrifying,' astronomers warn (www.livescience.com)
submitted 1 day ago by themachinestops@lemmy.dbzer0.com to c/technology@lemmy.world
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https://archive.ph/3WZrp

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.

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[–] Korkki@lemmy.ml 3 points 1 day ago

The difference is that the most under invested real economy promises little to no profits because of saturation, while these techbros are always ready to promise the moon from the sky. Nothing gets done and less flashy industries stay uncompetitive.