Is it hot enough for you? Chances are it is, as we get into what are typically the hottest months of the year in the Northern Hemisphere, thanks to the tilt of the Earth angling more towards the sun in summer. You may have heard this sweltering period called the dog days of summer, though that name doesn"t come from hot dogs or panting pooches. Rather it comes from Sirius, the Dog Star, which becomes visible above the eastern horizon at daybreak during the summer. Sirius is the brightest star in the night sky, and is part of Canis Major, not to be confused with the Canis latrans, or coyote, in today"s image, who is just trying to beat the heat.
The dog days of summer
Today in History
More Desktop Wallpapers:
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Peach trees in Cieza, Murcia, Spain
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Atop the Needle of Chamonix
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International Mountain Day
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Riding the bore tide at Turnagain Arm, Cook Inlet, Alaska
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Anza-Borrego Desert State Park, California
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Terraced fields of green
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World Hello Day
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Martin Luther King Jr. Day
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Turning darkness into light
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Rice processing in Bangladesh
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Agüero, Huesca province, Spain
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Great gray owls in their nest, Finland
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World Jellyfish Day
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The Cathedral of Florence, Italy
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Behold the mighty Aldeyjarfoss
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A wassailing we go
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Astrotourism at its finest
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Horsetail Fall in Yosemite National Park, California
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Pandas pucker up for International Kissing Day
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A night on the (ghost) town
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The smoke before the bonfire
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A rock in a wild place
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A universe underground
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Assembling the Smithsonian
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Why, aloe there
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Giant kelp in the Channel Islands National Marine Sanctuary
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Thick-billed raven, Simien Mountains, Ethiopia
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Jasper National Park, Alberta, Canada
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Australian baobab tree, Kimberley region, Western Australia
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International Polar Bear Day
Bing Wallpaper Gallery

