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Sarah------------

Hello and welcome! My mission is to find intriguing facts and tell it like it is. I try to do this daily, although this is challenging sometimes. I look for interesting stories that change the way you look at the world.

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Friday, July 13, 2012

How old is our galaxy?



"Our galaxy, the Milky Way, is thought to be one of the oldest, having started to assemble itself some 13 billion years ago." (Source 1)

To put that into perspective, the Big Bang, the start of our universe, happened 13.7 billion years ago.


(Source 2)

Bibliography


1. "Season 1: Episode 3: The Story of Everything," "Into the Universe with Stephen Hawking." Discovery Channel documentary miniseries.  Broadcast, 2010. Viewed via Netflix.  WWW: http://movies.netflix.com/WiPlayer?movieid=70209127&trkid=8362301&t=Into+the+Universe%3A+The+Story+of+Everything. 


2. "The "Milky Way"...and Our Galactic Neighborhood" webpage.  WWW: http://www.bibliotecapleyades.net/universo/cosmos15.htm.
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