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Challenger disaster: 40 years ago today
January 28, 2026
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Voyager 2 met Uranus 40 years ago
January 23, 2026
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The Wright brothers succeeded 122 years ago
December 17, 2025
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Edwin Hubble born today and the expanding universe
November 20, 2025
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Halley’s Comet is Edmond Halley’s namesake. Happy birthday, Edmond!
November 7, 2025
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1st planet orbiting a sunlike star discovered 30 years ago
October 7, 2025
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The 1st footsteps on the moon: Celebrate with Moon Day
July 20, 2025
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The Day the Earth Smiled at Saturn 12 years ago
July 18, 2025
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New Horizons visited Pluto 10 years ago
July 13, 2025
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Uranus discovered by accident on this date in 1781
March 13, 2025
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