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solar eclipse
The Great American Eclipse is inspiring a great frenzy, but don't make these mistakes on Monday.
The
Great American Eclipse is inspiring a great frenzy, with millions of
people preparing to get the best look possible as the moon covers the
sun on Monday.
Are you ready for the spectacular sight? The biggest thing to remember is to never look directly at the sun without the proper protection.
Here are the main "don'ts" you should know about:
1. Don't use do-it-yourself solar filters
Eclipse viewing glasses with solar filters and ISO 12312-2 certification are the only safe way to look directly at the sun. DIY solar filters are not recommended."People have done a lot of strange things — they take a glass with like tea in it or coffee or something to put in front of it. Not safe," said Sean Brittain, an associate professor of astronomy and astrophysics at Clemson University.
Looking through a dark beer bottle or spray-painted glass also won't protect you.
By the way, astronomers who teach kids about eclipse safety have heard it all.
"One of the little girls at the schools asked if her dog needs eclipse glasses," said Andrew Garmon, a graduate student in Clemson University's department of physics and astronomy.
For the record: no. Animals know better than to look at the sun and may actually use the darkening sky as a sign to nap.
2. Don't put on eclipse glasses and then look through binoculars
That's also not safe: The concentrated solar rays will damage the filter and enter your eyes, causing serious injury, NASA warns.Solar filters must be attached to the front of any binoculars, telescope or camera lens. Never use small solar filters that attach to the eyepiece, as is the case in some older, cheaper telescopes, the agency adds.
"If the filter is attached to the spot where you place your eye, sunlight concentrated by your optics will burn right through it," the American Astronomical Society cautions.
3. Don't wear eclipse glasses during the brief moment of totality
If, and only if, you are in the thin path of totality — where day will turn into night for about two minutes — it's OK to take off your eclipse viewing glasses during the brief time when the moon fully eclipses the sun. You're safe then, and you can soak in the spectacular sight.
The instant the totality is over, immediately look away and put the special glasses back on.
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