William Lassell Discovers Triton: 10 October 1846
On 10 October 1846, William Lassell discovered Triton, Neptune’s largest moon—a captured icy world later revealed by Voyager 2.
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Discover the most important scientific discoveries, space missions, and technological breakthroughs that expanded human knowledge and transformed our understanding of the universe. This category highlights key moments in science and exploration, from early inventions to modern space achievements.
Each article focuses on a specific event, explaining the discovery, its context, and its long-term impact on society and innovation. From groundbreaking experiments to historic space missions, these stories showcase human curiosity and progress.
This section is perfect for readers who want to explore how science and technology have shaped the world and continue to influence the future.
On 10 October 1846, William Lassell discovered Triton, Neptune’s largest moon—a captured icy world later revealed by Voyager 2.
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On 9 October 2009, NASA’s LCROSS mission struck Cabeus crater, sampled the plume and confirmed water in the Moon’s permanently…
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A small Soviet sphere entered orbit on 4 October 1957. Sputnik’s radio signal made an engineering achievement independently observable and…
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Pioneer Venus 1 sent its final signal on 8 October 1992 before entering Venus’s atmosphere, ending a 14-year mission planned…
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On 9 October 2009, NASA’s LCROSS mission struck Cabeus crater, sampled the plume and confirmed water in the Moon’s permanently shadowed south polar soil.
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A small Soviet sphere entered orbit on 4 October 1957. Sputnik’s radio signal made an engineering achievement independently observable and transformed the politics of…
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Pioneer Venus 1 sent its final signal on 8 October 1992 before entering Venus’s atmosphere, ending a 14-year mission planned for only months.
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At 03:30 UT on 7 October 1959, Luna 3 took the first images of the Moon's far side, replacing a blank on human maps…
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On 6 October 1995, Michel Mayor and Didier Queloz announced 51 Pegasi b, the first planet found orbiting a Sun-like star and the beginning…
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Challenger launched STS‑41‑G on 5 October 1984 with a record seven-person crew and an ambitious programme of Earth observation.
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Wally Schirra launched aboard Sigma 7 on 3 October 1962 and completed six Earth orbits. NASA's mission record shows why the flight was a…
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On 2 October 2024 an annular solar eclipse crossed the Pacific and parts of South America. NASA's path data and a GOES satellite view…
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NASA began operations on 1 October 1958, absorbing NACA's laboratories and staff while taking on a new civilian space mission.
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