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Astronomers urge cap of 100,000 faint satellites in Earth orbit

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The European Southern Observatory (ESO) has called for a limit of no more than 100,000 faint satellites orbiting Earth. The recommendation comes amid growing concerns from astronomers about the impact of large commercial satellite constellations on ground-based observations. Bright and numerous satellites can streak across telescope images, interfering with scientific research and sky surveys. The guideline aims to strike a balance between enabling commercial space activity and protecting astronomical infrastructure. ESO's position reflects broader international discussions about regulating low Earth orbit to safeguard both science and the space environment.

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Astronomers urge cap of 100,000 faint satellites in Earth orbit · ShortSingh