Need glasses for eclipse? Good luck

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This path, where the moon will completely cover the sun and the corona or halo can be seen, will stretch from Lincoln Beach, Oregon to Charleston, South Carolina.

Astronomers and eye-safety experts warn that people should not look directly at the sun without special solar-viewing glasses.

Sanders said welding glasses, ISO-certified eclipse glasses, or eyewear with Shade 14 lenses will all provide the necessary protection to view the eclipse.

It's the first time that such an event has been seen across the entire United States for 99 years. A Total Solar Eclipse is when the moon passes between the sun and the earth, blocking the sun from view as casting a shadow on the Earth. Outside that short window, looking at the (even partially-eclipsed) sun is risky.

The Daleville Public Library is one local organization that will provide this special eyewear during its Viewing Party on August 21. The only safe way to view a partially eclipsed sun is through special-purpose solar filters that meet global standard ISO 12312-2 for safe viewing.

If you're wondering how long the solar eclipse will last, it sort of depends on where in the world you're located.

Ninety-one percent of the eclipse will be visible from Jacksonville at 2:47 p.m.

A few local museums are throwing viewing parties, where guests can safely watch the astronomical event.

"If you're blocking out the sun, you're going to decrease energy", said Dr. Kevin Williams with the Whitworth Ferguson Planetarium at Buffalo State College. For a total eclipse to take place, the sun, moon and Earth must be in a direct line.

"Before you actually look at the sun, put it on and do not take it off. Look away from the sun, then take it off".

The safest way to experience the eclipse will be via television or an online stream. Homemade filters or ordinary sunglasses, even very dark ones, are not safe for looking at the sun.

NASA said by putting a filter over your iPhone lens, it protects your camera, and they warn people not to point it at the sun without a filter.

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