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Black holes February 18, 2011

Posted by Marie in Black hole, Stars.
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Black holes seem to capture people’s imagination for some reason.

I just loved this animation, which was posted by a Twitter friend recently.  You can’t see the animation below, but click on it, and you’ll see the movement of stars tracked from the years 1995 through to 2008 near the proposed black hole at the center of the galaxy.

The star in the middle of the image is where the black hole is supposed to be.  I like watching the orbits of the stars that are in the vicinity of the black hole veer off suddenly as they get near.

These images/animations were created by Prof. Andrea Ghez and her research team at UCLA and are from data sets obtained with the W. M. Keck Telescopes.

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