Why Can T You Look At A Solar Eclipse
Olivia Luz
To prove just how dangerous it is astronomer mark thompson shared this now viral video which captures a pig s eye burning to a crisp when exposed to intense sunlight warning this is very graphic.
There are uv rays still glaring down from the visible prominences of the sun which can cause serious damage to the human eye. For the same reason don t watch an eclipse through unfiltered telescopes binoculars or photographic lenses. And in a nutshell solar eclipses are dangerous because the sun can come out from behind the moon and surprise you before you have a chance to look away. To be triply safe during a solar eclipse use approved eclipse glasses that block the ultra violet use only one eye and don t stare.
And this is actually even worse than when you normally look away from the sun because during the total eclipse it is dark out and your pupil therefore dialates so that it can let in enough light to get a good picture. An eclipse that blinds a pregnant woman will have no effect on the baby. You can also view a solar eclipse safely by looking at an image of it cast on a screen by a telescope binoculars or a pinhole camera. Because you are looking directly at the sun while it is being blocked and because of the relative darkness of the eclipse your iris s are dilated.
The lens of the eye focuses and concentrates sunlight on the retina scorching it and leading to solar retinopathy. During most of a solar eclipse the sun will. While environmental exposure to uv radiation is known to contribute to the accelerated aging of the outer layers of the eye and the development of cataracts the concern over improper viewing of the sun during an eclipse is for the development of eclipse blindness or retinal burns. Because the retina has no pain receptors you won t be aware of the damage until it s too late.
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One of the ways to view this amazing cosmic event is get a certain. On a sunny day if you were to look directly at the sun you would know to look away after a split second because of the pain caused by the brightness. During the eclipse the sun won t be more harmful to your eyes than any other day.
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