The sunny, sultry days of July and August are often referred to as the “dog days” of summer. Ancient civilizations noticed what they thought was a correlation between the hottest days of summer and the heliacal (or, at sunrise) rising of the star Sirius in the constellation known as Canis Major (the “Big Dog”). Although Sirius does not actually have an effect on the temperature, its heliacal rising does coincide with some of the hottest days of summer in many parts of the northern hemisphere. “Canicular days” (from the Latin word for dog) made their first appearance in print in English in 1398. The Old Farmer’s Almanac puts the timing of the Dog Days as July 3 through August 11.
As we sweat our way through the dog days of summer, here is a selection of dog images from our collections!
Photograph, Nagasaki Dog:
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