- Scientists and doctors at Northwestern University warn that light pollution from communications satellites could disrupt human sleep cycles and circadian rhythms, potentially causing various health issues.
- Astronomers are concerned that the growing number of bright satellites, some exceeding the brightness of planets, could permanently alter the night sky, obscuring natural celestial bodies.
- Reflect Orbital, a California startup, plans to launch mirrored satellites to redirect sunlight to Earth at night, which could create daylight-level illumination in urban areas.
- Over 12,000 satellites are currently in low-Earth orbit, with approvals for tens of thousands more from companies like Amazon and SpaceX, and requests for up to 1.7 million.
- Disruptions to circadian rhythms can lead to short-term problems like memory loss and digestive issues, and long-term conditions affecting major bodily systems, while artificial light also harms wildlife.
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