Galactic Collision! - The Countdown #23

SUBSCRIBE, future astronauts: http://goo.gl/bRbj4
LINKS for the TOP 5 are listed BELOW!!

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Printing Pizza for Astronauts http://goo.gl/Fw3YL
Magnetar Glitch http://goo.gl/5WMvW
Opportunity Breaks a Record http://goo.gl/sczhq
Kepler's Flywheel Woes http://goo.gl/hH0pK
A Galactic Collision http://goo.gl/lMgfR

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Watch more of The Countdown: http://goo.gl/JnNep
Visit Scientific American's website for more space news: http://goo.gl/wciRJ

Видео Galactic Collision! - The Countdown #23 канала Scientific American Space Lab