The US government has approved a start-up, Reflect Orbital, to launch a satellite named Eärendil-1, which will feature a 60-foot mirror designed to reflect sunlight back to Earth for extended illumination at night. Weighing 142 kg and orbiting approximately 650 km above Earth, the satellite will deploy a thin mirror that can light a three-mile-wide area below. The Federal Communications Commission (FCC) granted a license for this demonstration satellite, with plans to eventually deploy a constellation of 50,000 such mirrors by 2035. Users can request on-demand light via an app, with costs estimated at $5,000 per hour for a year-long contract. Despite concerns from astronomers about light pollution and its impact on nighttime visibility, the FCC emphasized the need for innovation in space technology.
Why It Matters
The development of Reflect Orbital’s solar reflector highlights ongoing advancements in space technology and commercial applications. The potential of using satellites for on-demand solar energy could revolutionize energy access, especially for industries like construction and emergency services. However, the project raises significant concerns about light pollution, which could disrupt astronomical observations and affect natural ecosystems. With the FCC prioritizing innovation over environmental considerations, the implications for both scientific research and nighttime environments warrant careful examination as this technology progresses.
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