The solar eclipse, which will happen August 21, only happens about once every 375 years, according to NASA.
While it may appear dark, watching the solar eclipse without the right eyewear can severely damage your vision.
More than 2 million pairs of eclipse glasses, which allow you to watch the solar eclipse without damaging your eyes, are being distributed for free at more than 4,000 public libraries across the country. Here’s a map of registered libraries.
Eclipse glasses are being distributed at the following Rochester-area libraries (while supplies last):
– Central Library of Rochester and Monroe County
– Charlotte Branch Library
– Chili Public Library
– Gates Public Library
– Macedon Public Library
– Mendon Library
– Monroe County Library
– U of R River Campus
– Penfield Public Library
– Phelps Library
– Pittsford Community Library
During a total solar eclipse, the moon and the sun both appear to be about the same size from the ground.
According to NASA, this is a “celestial coincidence,” as the sun is about 400 times wider than the moon and about 400 times farther away.
Then, it is just basic geometry. When the Earth, moon and sun line up just right, the moon blocks the sun’s entire surface, creating the total eclipse.