Thread: Any "Latest & Greatest" about Delta?
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Old 09-18-2013 | 02:14 PM
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Check Essential
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Joined: Dec 2007
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From: 737 ATL
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Another time waster. Off topic but kinda cool.
The scale of the known universe.
An interactive web page from NASA.

APOD: 2012 March 12 - The Scale of the Universe Interactive