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Showing posts with label surrounding our galaxy. Show all posts
Showing posts with label surrounding our galaxy. Show all posts

Wednesday, September 26, 2012

NASA showed massive halo of hot gas surrounding our galaxy


In the U.S., NASA scientists have once again reminded people how big the universe - to show how small our Milky Way galaxy, if it is placed in the newly discovered halo - a cloud of hot gas that extends for hundreds of thousands of light years.