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The Conversation
The Conversation
Samantha Lawler, Associate Professor, Astronomy, University of Regina

The U.S. just approved a giant space mirror to test ‘sunlight on demand.’ Low Earth orbit is getting weird

Reflect Orbital's plans to have more than 50,000 satellites reflecting sunlight back to earth could disrupt the circadian rhythms of plants, animals and humans. (Unsplash/Mariana Proença)

A giant mirror to create “sunlight on demand” was just approved by the United States Federal Communications Commission (FCC), despite opposition from astronomers and the public, and real safety concerns.

The FCC approved the company Reflect Orbital to test one satellite, named Earendil-1, as a means of reflecting the sun’s rays back to Earth for extra solar energy and wide-area lighting. The light is expected to cover an area about five kilometres wide, and will require repointing every four minutes.

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