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David DENG
299 followers -
Life is hard, but enjoy it!
Life is hard, but enjoy it!

299 followers
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Top packages screen shot. #golang   #gosearch  
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A Double Eclipse of The Sun Meets International Space Station
Can the Sun be eclipsed twice at the same time? Last Friday, March 20, 2015, was noteworthy because part of the Earth was treated to a rare total eclipse of the Sun. But also on Friday, from a part of the Earth that only saw part of the Sun eclipsed, a second object appeared simultaneously in front of the Sun: the Earth-orbiting International Space Station. Although space station eclipses are very quick—in this case only 0.6 seconds, they are not so rare. Capturing this composite image took a lot of planning and a little luck, as the photographer had to dodge a series of third objects that kept, annoyingly, also lining up in front of the Sun: clouds. This superposed time-lapse sequence was taken from Fregenal de la Sierra in southern Spain. The dark disk of the Moon dominates the lower right, while the Sun's textured surface shows several filaments and, over an edge, a prominence.

Image Credit & Copyright: Thierry Legault
Thierry's website: www.astrophoto.fr

+Astronomy Picture of the Day (APoD) 

#NASA #Space #ISS #Astronomy #Earth #Science #Eclipse #Sun #Solar #Moon #Shadow #Spain #Astrophotography #Art #APoD 
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So beautiful!
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There're so many fractions in daily life. American is using octonary or hex every where.
Version 4.8 Released. Fraction format, e.g. 1 3/4", recognized. #magicsel   #convert   #chromeextension  
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We'll be three years old this weekend, and +Matthew Timmons-Brown has made a video to celebrate!

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A record of an idea about totally-lock-free Java object pool.

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One more convert. Abandoning nodejs so he can work with Go. 
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