First Astronomical Use of the Telescope
07/26/1609 AD Observed
Harriot draws the 5-day moon as seen through his telescope — the first known astronomical use of the telescope — more than 4 months prior to Galileo
Subjects Who or What Observed?
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Thomas Harriot (Harriott, Hariot or Heriot) English mathematician an...
Objects To Whom or What was Observed?
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Moon Earth's only permanent n...
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