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flag Amazon's Kuiper satellites, brighter than expected, disrupt astronomy despite design tweaks, raising regulatory concerns.

flag Amazon’s Project Kuiper satellites, now in orbit at 630 km, are brighter than expected, interfering with astronomical observations, according to a January 2026 study. flag Though not visible to the naked eye in most cases, they create streaks in telescope images, affecting ground and space-based research. flag The satellites reflect more light during twilight and will operate at lower altitudes (590 km) in the future, increasing visibility. flag While Amazon has implemented design changes like mirror-like surfaces and adjusted orientations to reduce brightness, the study finds these efforts insufficient. flag The findings add to concerns about satellite megaconstellations from Amazon, SpaceX, and others, underscoring the need for stronger regulations and industry cooperation to protect dark skies and scientific integrity.

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