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Merging Black Holes

The article I chose discusses what would happen to the black holes at the center of two galaxies were these galaxies to collide. As we have studied in class at the center of a galaxy there is a black hole which in a collision would merge with the black hole at the center of the other galaxy creating an even bigger one. Before the two merge however they rotate around each other sending out gravitational waves that not only “stir the galactic center” but also, when the two holes finally merge, sending them in one particular direction thus propelling itself in the opposite one. This sends it into other stars that it can then swallow at a much faster rate than a regular black hole. Scientists can learn many new things from their observations of such a back hole about the expansion of the cosmos and the forces accelerating it.

http://www.sciencedaily.com/releases/2011/04/110408124301.htm

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