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Reflect Orbital's 4,000 Satellites: Light Innovation or Pollution?

11/1/2025

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Summary

Story summary

Reflect Orbital, a California startup, plans to launch up to 4,000 satellites with mirrors to reflect sunlight onto Earth's night side.
It aims to provide light on demand for solar energy, crop growth, and urban lighting.
Astronomers warn the project could cause severe light pollution, disrupting stargazing and wildlife.
The first test satellite, EARENDIL-1, is set for launch in early 2026, with full deployment by 2030.

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Story summary

Reflect Orbital, a California startup, plans to launch up to 4,000 satellites with mirrors to reflect sunlight onto Earth's night side.
It aims to provide light on demand for solar energy, crop growth, and urban lighting.
Astronomers warn the project could cause severe light pollution, disrupting stargazing and wildlife.
The first test satellite, EARENDIL-1, is set for launch in early 2026, with full deployment by 2030.