We don't know with what beverage William Lassell may have celebrated his discovery of Neptune's moon, Triton, but beer made it possible. Lassell was one of 19th century England's grand amateur astronomers, using the fortune he made in the brewery business to finance his telescopes. He spotted Triton on Oct. 10, 1846―just 17 days after a Berlin observatory discovered Neptune. Scientists using powerful telescopes and spacecraft have since discovered a total of 14 moons orbiting this distant, giant world. More ›

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