Professor Dave Explains
Professor Dave Explains
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History of Astronomy Part 2: Early Measurements of the Earth

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October 11, 2018

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After many centuries of pure observation, it finally became time for mankind to start doing some science to figure out the dimensions of the Earth and other nearby objects. What were these early experiments? What did they tell us? Let's take a look!

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History of Astronomy Part 2: Early Measurements of the Earth · Professor Dave Explains · Sentinel