Interactive: How Old Will You Be to Witness the Next Total Solar Eclipse? - NBC 6 South Florida
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Interactive: How Old Will You Be to Witness the Next Total Solar Eclipse?

Use this calculator to determine when the last time a total solar eclipse passed through your state, and when the path of totality will pass through again

    A total solar eclipse is going to be visible across parts of the U.S. this August. But what is a total solar eclipse, exactly? When was the last time one happened? What should you look for? Find out all that and more.

    (Published Thursday, Aug. 17, 2017)

    A total solar eclipse is when the moon completely covers the sun, casting a shadow that brings temporary darkness on Earth. It only occurs along what's called the path of totality, and the last time this path landed in the United States was 1979.

    Only a few states experienced totality that year, but a majority of the surrounding states still experienced a partial eclipse. Seeing this state of totality is such a rare occurrence that some consider it a once-in-a-lifetime experience.