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Video: Take a Spin Through the Pencil Nebula

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At www.popsci.com

When it comes to enduring legacies, supernovae have little competition in the universe. What you are looking at above is the Pencil Nebula (though its appearance is sometimes compared to a witch's broomstick) as captured in a new image. From our vantage point on Earth, it is still noticeably moving across the night sky even though it is something like 8,000 light-years away. All this from a star that exploded 11,000 years ago. The pencil nebula measures roughly three-quarters of a light year across and is still moving so fast--roughly 400,000 miles per hour--that even at its vast distance from Earth it will visibly change positions in the sky over the course of a human lifetime, even though the explosion that first set the whole thing in motion occurred long before the first human lives were recorded by history. Take a flight through it yourself below.

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At www.popsci.com


 

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[[VID42]]The Pencil Nebula brightest feature bring... by Kyle McDermott on Sunday, Sep 16, 2012 at 8:26:14 AM