NASA announces television coverage for August 21 solar eclipse

A student looks at the partially eclipsed sun in northern England

A student looks at the partially eclipsed sun in northern England

The Stem in the Sky eclipse event at NASA's Wallops Flight Facility Visitor Center is from noon to 4:30 p.m.

It will also be the first total solar eclipse visible from any of the Lower 48 states since 1979.

While no data exists for how many made-for-eclipse eyeglasses are in circulation overall, shady distributors of purportedly solar-safe shades abound on the Internet, Fienberg said. The main show begins at 1 p.m. and will cover the path of totality the eclipse will take across the United States, from OR to SC. The eclipse is expected to have 81 percent coverage from this location.

"We've SOLD OUT of Eclipse Glasses!"

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A total solar eclipse is a rare event in which the moon completely blocks the sun from view.

The AAS and NASA have posted a list of reputable solar filter brands, retail distributors and online dealers.

Don't look at the sun during the eclipse or at any other time through an unfiltered camera, telescope, binoculars or other optical device, even if wearing eclipse glasses or a solar viewer.

Check the American Astronomical Society (AAS) Reputable Vendors of Solar Filters & Viewers link, https://eclipse.aas.org/resources/solar-filters, for a list of manufacturers and authorized dealers of eclipse glasses and handheld solar viewers that are verified to comply with ISO 12312-2, worldwide safety standard for these products. If you stare at the sun without protection, you may experience damage to your retina (the tissue at the back of your eye) called "solar retinopathy".

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