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Thursday, May 23, 2024

Earthsky Tonight—July ll, When is the next total solar eclipse in the U.S.?

Courtesy of EarthSky
A Clear Voice for Science

A total eclipse of the sun takes place today, but not in the United States. To see it – one of nature’s grandest spectacles – you must be located along today’s long yet narrow total eclipse path that stretches across the South Pacific.

Eclipse path for July 11, 2010 total solar eclipse

People ask when a total solar eclipse will be visible in the mainland United States. It won’t happen until August 21, 2017. The next total eclipse after that for U.S. observers will be on April 8, 2024. Here’s a map that shows all the total solar eclipses occurring in North America from 2001-2050, thanks to the eclipse master Fred Espenak.

During a total solar eclipse – whenever the new moon swings directly in front of the sun and completely covers it – the sky turns suddenly from day into night, and stars and planets pop into view. What’s more, a total solar eclipse shows you the sun’s normally invisible corona. It’s a breathtaking sight!

The moon passes more or less between the Earth and sun every month. This is the new moon phase. More often than not, no eclipse happens at new moon, because the new moon usually sweeps to the north or to the south of the sun. There are several lunar and solar eclipses each year, however, and the next solar eclipse (for non-U.S. observers) will come on January 4, 2011. 
 Are lunar eclipses more common than solar eclipses?

The above photo of the solar eclipse at sunset is from JunCtion’s photostream.

Written by Bruce McClure

Astronomy Picture of the Day from NASA/JPL

CHANDRA Photo Album

U.S. Naval Observator Astronomical Information center

StarDate Online

Sky and Telescope

National Geographic

Space Com

Amazing Space

The York County Astronomical Society

Scope City

James S McDonnell Planetarium

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