2017 solar eclipse More

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August 21 is a big day in the American celestial calendar, its the 2017 solar eclipse. Referred to by some as the “Great American Eclipse” its track across the entire continental United States gives millions the opportunity to see the sun disappear for a few minutes — in some places, completely — behind the moon.

What makes the 2017 solar eclipse all the more special is it’s a total eclipse, which blocks out the sun more completely than a more common annular eclipse. Such a thing hasn’t been viewable from American soil in 38 years! It will be one of the most impressive celestial events of the year. So why should you be excited about

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