Harnessing Sunlight: The Future of Reflective Space Technology
Will nights eventually look as bright as a hundred full moons?
That sort of question sounds completely like science fiction right now. But something is actually moving toward reality. An American startup is planning to launch a satellite carrying a giant mirror, meant to bounce sunlight back onto Earth after dark.
California-based Reflect Orbital got the Green light from the FCC for their first demonstration mission. It’s one of those really weird space experiments you don't see every day.
They aim to launch their prototype, Eärendil-1 , into low Earth orbit later this year.
The ambitions here aren't just about that single test flight though. Reflect Orbital isn’t stopping there. They want a constellation. One thousand satellites by 2028. And eventually, they talk about fifty thousand by 2035. That's huge scaling up.
Their long-term goal involves building mirrors nearly 180 feet across. Enough to create light comparable to one hundred full moons. They suggest this tech could seriously change things. Think extended daylight for solar farms. Emergency lighting during disasters. Making construction sites safe long after the sun sets.
The prototype itself is small, mind you. About the size of a refrigerator. It deploys a square mirror, maybe sixty feet across, once it hits about four hundred miles up. When it works, that mirror redirects sunlight onto a patch on Earth, roughly three miles wide.
Reflect Orbital says this reflected light could keep solar farms running even when it’s dark. Help rescue teams during emergencies. Let construction crews work through the night safely.
But not everyone is buying into this bright idea. There’s real pushback.
The American Astronomical Society stepped in, urging the FCC to rethink the whole thing. They argue it just doesn't serve the public interest. They worry about messing up astronomical observations.
Astronomers are genuinely scared. The intense reflections could swamp sensitive telescopes. It would make seeing faint stars or distant galaxies almost impossible. Samantha Lawler, an astronomer over in Canada at the University of Regina, put it plainly: the disappearance of naturally dark skies would seriously kill astronomical research.
There are other worries too. Scientists are looking at the bigger picture the environmental fallout. Artificial light at night messes with everything. It throws off the natural rhythms that govern sleep, feeding, migration for humans and animals and plants. And there’s the issue of those flashes themselves. They worry about distracting pilots or drivers when the mirrors are being repositioned.
The FCC just kept sticking to its lane. Their argument is simple: they regulate radio frequencies and satellite communications. That's it. They don't deal with these wider environmental consequences out in space.
In their approval, the commission framed the mission as potentially groundbreaking for American space leadership. They said current US rules didn’t require environmental reviews for outer space activities. A very different view than the astronomers hold.
This isn't a new concept entirely. Reflecting sunlight from space isn't some brand new idea. Back in 1993, Russia actually tried it out. They tested an 80-foot orbital mirror that managed to reflect sunlight onto parts of Siberia. That program eventually stalled after one follow-up mission just didn’t work out.
Written by Gree News Team — Senior Editorial Board
Gree News Team covers international news and global affairs at Gree News. Our collective of senior editors is dedicated to providing independent, accurate, and responsible journalism for a global audience.
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