Archive | March 10, 2014

HISTORIES, HOROSCOPES, AND AJC VENTS–REVENTED

                         THIS DAY IN HISTORY                

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   http://www.history.com/this-day-in-history

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TODAY IN GEORGIA HISTORY

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 http://www.todayingeorgiahistory.org/
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 TODAY IN NORTH CAROLINA HISTORY
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 http://nchistorytoday.wordpress.com/

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YOUR HOROSCOPE FOR TODAY

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 http://shine.yahoo.com/horoscope/aries/
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Your Chinese Horoscope

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http://shine.yahoo.com/horoscope/
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AJC VENTS–REVENTED

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 http://projects.ajc.com/vent/metr

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Astronomy Picture of the Day

Gamma Rays from Galactic Center Dark Matter?
Image Credit: T. Daylan et al., Fermi Space Telescope, NASA

Explanation: What is creating the gamma rays at the center of our Galaxy? Excitement is building that one answer is elusive dark matter. Over the past few years the orbiting Fermi Gamma-ray Space Telescope has been imaging our Galaxy’s center in gamma-rays. Repeated detailed analyses indicate that the region surrounding the Galactic center seems too bright to be accounted by known gamma-ray sources. A raw image of the Galactic Center region in gamma-rays is shown above on the left, while the image on the right has all known sources subtracted — leaving an unexpected excess. An exciting hypothetical model that seems to fit the excess involves a type of dark matter known as WIMPs, which may be colliding with themselves to create the detected gamma-rays. This hypothesis is controversial, however, and debate and more detailed investigations are ongoing. Finding the nature of dark matter is one of the great quests of modern science, as previously this unusual type of cosmologically pervasive matter has shown itself only through gravitation.

Tomorrow’s picture: dusty rose