Royal Institution of Great Britain - On this day in 1609 Galileo demonstrated his first telescope. This led to a series of ground-breaking findings, like how Venus showed a range of moon-like
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On This Day In History: Galilei Galileo Demonstrates His First Telescope - August 25, 1609 - Ancient Pages
Ancient Origins - ON THIS DAY IN HISTORY – On 25th August, 1609 AD, Galileo Galilei demonstrated his first telescope to Venetian lawmakers. Galileo was an Italian physicist, mathematician, engineer, astronomer, and
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