On August 21, as the moon slips between the Earth and the sun, millions of people around the United States will look skyward to watch the one-in-100 year event.
Many will be tempted to look at the sun with their naked eyes. In fact,...
On August 21, as the moon slips between the Earth and the sun, millions of people around the United States will look skyward to watch the one-in-100 year event.
Many will be tempted to look at the sun with their naked eyes. In fact,...