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I'm doing an internship http://tiava.in.net tiava The second team of astronomers led by Sergio Vásquez, of the Pontificia Universidad Católica de Chile, Santiago, Chile, took a different approach to arrive at a similar conclusion. By comparing images of the central bulge 11 years apart using the MPG/ESO 2.2-metre telescope, tiny shifts due to the motions of the bulge stars across the sky were measured. This betrayed the shape of the bulge.

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