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By the Numbers: Solar Eclipse

The rare solar eclipse on Aug. 21 is generating interest and enthusiasm across the country and world, with cities along the eclipse’s path expected to attract thousands of visitors. Here’s a look at the eclipse by the numbers:

4

The number of continents where at least a partial eclipse will be visible.

7.5

Length in minutes of the longest solar eclipse. The Aug. 21 eclipse will last a maximum of 2 minutes 43 seconds.

14

The number of states in the path of the total eclipse.

15

The temperature can drop by this many degrees during totality – the area where the total eclipse will be visible.

34

The number of decreased Gigawatts of European solar power and production during the March 20, 2015, solar eclipse. On a normal day the systems generate 90 Gigawatts.

70

The width in miles of the path of totality.

99

The number of years since a total solar eclipse crossed over the entire U.S. mainland.

4:09

The time in the afternoon when the lunar shadow leaves the U.S.

9:05

The time in the morning of Aug. 21 when the eclipse first crosses into the United States, at Lincoln Beach, Ore.

1851

The year the first photograph of a solar eclipse was taken by skilled daguerreotypist Johann Julius Friedrich Berkowski at the Royal Prussian Observatory.

2024

The next year when a total solar eclipse will pass through the continental United States.

12.25 million

The number of people who live within the path of totality.

94,075,598.5047 million

The number of miles Earth will be from the sun on the day of the solar eclipse.

Source:  eclipse2017nasa.gov, space.com

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