Radio telescope reveals secrets of massive black hole

At the cores of many galaxies, supermassive black holes expel powerful jets of particles at nearly the speed of light. Just how they perform this feat has long been one of the mysteries of astrophysics.

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<p><a href="http://www.physorg.com/news128174330.html">Radio telescope reveals secrets of massive black hole</a></p> <p>At the cores of many galaxies, supermassive black holes expel powerful jets of particles at nearly the speed of light. Just how they perform this feat has long been one of the mysteries of astrophysics.</p>