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Friday, September 13, 2013

Cosmic Cuties Revisited

 
A news story this week received very little attention. The Voyager-1 spacecraft, launched in 1977 to study the outer planets, has officially exited our solar system. It is now so far away that it takes 17 hours for a radio signal from Voyager to reach receivers here on Earth. To mark this occasion I’m repeating my post from January 2012. Check it out (here.)


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