It is now a month until the total solar eclipse of 2017 (on August 21) when the Moon will completely block the sun. This rare event will be visible across the United States, though there is an actual line it will travel across the U.S.

Have you already seen a total solar eclipse? Probably not. Though some have occurred in the past 100 years, if you lived in the U.S. they were either not visible or only in a few locations. The last one was in 1991.  There are many kinds of eclipses – total , partial, annular etc.  I have written here about other solar and lunar eclipses. To witness a total solar eclipse means to see your piece of the world in darkness during daytime and feel the temperature dramatically drop.

The media is calling this the Great American Total Solar Eclipse (which sounds like a ride at an amusement park) but it will darken skies all the way from Oregon to South Carolina. The path of totality is about 70 miles (113 kilometers) wide. Don’t plan on driving along the path to follow the eclipse. It will move at about 1500 mph.

You may have seen stories in the media about the event and about towns that are planning celebrations  –  and booking accommodations, selling t-shirts, eye protection etc.  If you are in the path of totality, then you will need eye protection, and any viewers should use protection.

A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partially obscuring the image of the Sun for a viewer on Earth. A total solar eclipse occurs when the Moon’s apparent diameter is larger than the Sun, blocking all direct sunlight, turning day into darkness.

Totality always occurs in a narrow path across the surface of the Earth for that portion of the planet in daylight.

In my neighborhood, there will not be totality but it will be 73% blocked. It will begin at 1:22 pm, peak at 2:44 pm and end at 4 pm.

Imagine the fear and confusion any eclipse must have created to the ancients. A total solar eclipse would be the most frightening of all eclipse.

John Fiske wrote back in 1872 in his book Myth and Myth-Makers that:

…the myth of Hercules and Cacus, the fundamental idea is the victory of the solar god over the robber who steals the light. Now whether the robber carries off the light in the evening when Indra has gone to sleep, or boldly rears his black form against the sky during the daytime, causing darkness to spread over the earth, would make little difference to the framers of the myth. To a chicken a solar eclipse is the same thing as nightfall, and he goes to roost accordingly. Why, then, should the primitive thinker have made a distinction between the darkening of the sky caused by black clouds and that caused by the rotation of the earth? He had no more conception of the scientific explanation of these phenomena than the chicken has of the scientific explanation of an eclipse. For him it was enough to know that the solar radiance was stolen, in the one case as in the other, and to suspect that the same demon was to blame for both robberies…