Ciencia

Keep your eyes safe while viewing eclipse

Keep your eyes safe while viewing eclipse

Millions are expected to gather in the path of totality - a 60- to 70-mile-wide path where the total solar eclipse will be visible.

So it's important to know exactly where you are on eclipse day in relation to that path of totality, advises Dr. B. Ralph Chou, a retired professor of optometry at the University of Waterloo in Ontario who is also an astronomer and eclipse chaser. "The next one will be about 700 years into the future". Because if you think about it, you look up at the moon in the sky and you say, 'Well, where is it gonna be? The orbit of the moon is tilted five degrees from the orbit of the earth around the sun. The next solar eclipse of any kind visible from Arizona will be on October 14, 2023. Plus, so many live within eight hours driving distance of it. Or maybe it disappears in a valley on the moon, and it lingers a little bit longer and so the eclipse is gonna start late for you.

But the total eclipse, when the sun passes behind the moon, will be fleeting.

It's known in the trade as solar blindness or solar retinopathy - not total blindness, rather more like age-related macular degeneration, where you have trouble reading or recognizing faces, or lose those abilities altogether.

"Maybe (the eclipse) will inspire some kid, some new genius to get into science", Espenak said.

"If you stood still, you should see an eclipse about once every 150 years, so this is less than a 1 percent chance", Adler's Ciupik said.

There are alternative methods to indirectly view the partially eclipsed sun. Now he hopes kids will be inspired to carry the torch into the future.

Kansas City, Kansas, and Wyandotte County have had some bookings in hotels for people attracted here by the solar eclipse, she said, with the CVB working with them.

In those days, he says, people believed that eclipses meant the gods were angry and could affect the health of rulers and kings.

You may remember taking a magnifying glass outside as a kid on a sunny day and burning a hole in a leaf or starting a small fire.

The lenses of some obvious fakes allow the penetration of light from such relatively faint sources as fluorescent lamps, while the only thing one should see through authentic solar-safe filters when looking at objects fainter than the sun is pitch blackness. During the eclipse, they'll launch high-altitude balloons packed with science experiments, artifacts and cameras.

"So this place here, we got it NASA certified, so this is closest to the totality", explained festival director Michael King.

NASA photographer Bill Ingalls recommends focusing on the human experience of watching the eclipse.

Now, scientists know the moon's path and contours with incredible precision, as well as the Earth's exact elevation at different locations, which let researchers predict precise eclipse paths. It's a rare experience that's about to become more common, and if eclipse chasers are to be believed, one that will leave a lot of us in speechless awe.