Eclipse glasses sold out everywhere in York County

CBS News  Leonard Bates    CBS News Leonard Bates

Eventually, scientists like Sir Arthur Eddington, whose observations of deflected starlight during a 1919 solar eclipse confirmed Albert Einstein's theory of relativity, considered the rare celestial events as prime opportunities to learn more about the solar system and beyond.

The next total eclipse visible in the United States will occur on April 8, 2024.

Science Central's event Sunday will show people how to experience the solar eclipse safely during hands-on activities and demonstrations, the science center said on its website,

The mechanism that blocks out the sun in a coronagraph also obstructs views of the sun's atmosphere closer to its surface, McCall said.

Bob Baer, a Southern Illinois University physics professor, will be taking telescopic images of the eclipse in Carbondale as part of a NASA initiative to collect photos from almost 70 sites in the path of totality. The last one to stretch across the entire country, from the Pacific to Atlantic oceans, was on June 8, 1918. It is estimated that the total solar eclipse in Oak Ridge will last 27 to 31 seconds at approximately 2:33 p.m. EDT August 21.

The start of the partial eclipse, when the moon is first appearing to touch the sun, will occur around 1:21 in the afternoon. In Flagstaff, up to 70 percent of the Sun will be blocked. The next solar eclipse of any kind visible from Arizona will be on October 14, 2023.

That decision cost him as bates permanently lost some vision in his right eye.

Officials warn that while watching the eclipse it is pivotal to have proper eye protection. They usually consist of cardboard frames (more expensive ones are made of sturdier plastic) that hold a Mylar or, more typically, black polymer material that filters out harmful solar rays.

With any type of glasses, you should not be able to see anything around you when looking through them.

Eclipse glasses are the only safe way to watch the eclipse, according to the American Astronomical Society. Alternatively, these glasses are also available locally.

Inspect solar filters before use.

More safety tips can be found at These should not be used in conjunction with any magnifying instruments such as telescopes or binoculars, since those will intensify the sunlight and can cause the goggles to break from the intense heat.

"I actually saw an eclipse when I was young and I was told then and I still believe now there's damage that can be done to your eyes", said Shaw. Place a pinhole or small opening in a card. With your back to the sun, look at your hands' shadow on the ground.

Other options include: Craft a pinhole viewer to project the image onto another surface. A colander, hand grater, and even a Ritz cracker - anything with small holes - will serve the goal well.



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