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| The animation is flawed. It doesn't properly take into account the relative position of the Sun. Due to the extreme distance of the Sun, and close proximity of the moon, the shadow cast by the eclipse outruns the rotation of the Earth. If the Moon orbited slower and blocked the Sun for a longer period of time, we would see the shadow move East to West.
There is a good animation that shows this effect: https://svs.gsfc.nasa.gov/4579
And this one: https://svs.gsfc.nasa.gov/4390
Keep in mind that despite us often seeing the Moon hang around during the day, there is only a short duration of time in which is manages to cross our view of the sun.
Edited by Maxzillian 7/28/2017 12:55
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Eclipse and you as a citizen scientist
