Скачать или смотреть What determines when we have an eclipse?

Why are eclipses rare? The moon's orbit tilts. Sometimes the moon's shadow is too high above the Earth. Sometimes it is too low. Other times, it is just right.

To learn all about the 2017 Total Eclipse: https://eclipse2017.nasa.gov/

Music: Witch Waltz by Dorian Kelly

Credit: NASA's Goddard Space Flight Center

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