Month: January 2026

Thomas Harriot and the 5 Revolutionary Lunar Observations That Changed Astronomy

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Early telescopic Moon drawings by Thomas Harriot from 1609, showing the first recorded observation and early lunar mapping.

On 26 July 1609, Thomas Harriot, an English mathematician and natural philosopher, achieved a foundational milestone in the history of astronomy by conducting the earliest known telescopic observations of the Moon. Using a modest 6× “Dutch trunk” refracting telescope, Harriot carefully sketched the lunar surface, inaugurating a new era of empirical astronomical research and reshaping … Read more