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PROOF: vlbi proper motions observed
By: Chris O, on 22 Jan 2017


Very long baseline interferometry observations show that the ends of the sources are moving outwards through the galactic interstellar medium at velocities of about 10% of the speed of light. Reference An & Baan 2012 http://adsabs.harvard.edu/abs/2012ApJ...760...77A


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Topic Statement Status Last Changed: 22 Jan 2017
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