Research Institute
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Maintains official exoplanet count at NASA Exoplanet Archive
NASA confirmed its 6,000th exoplanet in September 2025, marking a milestone exactly 30 years after astronomers discovered the first planet orbiting a Sun-like star. The tally jumped from 5,000 to 6,000 in just three years—an acceleration driven by space telescopes and AI analysis. Over 8,000 additional candidates await confirmation.
Updated May 19
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