RE: a Traveling Shadow - Last year's total eclipse of the Sun seen in 5 seconds

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a Traveling Shadow - Last year's total eclipse of the Sun seen in 5 seconds

in eclipse2017 •  7 years ago 

The one coming up on the 21st takes a completely different path. Knowing exactly where the shadow cone will be during each new upcoming solar eclipse was far beyond the abilities of astronomers for most of history.

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