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Director / Editor: Victor Teboul, Ph.D.
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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

We found some strange radio sources in a distant galaxy cluster. They're making us rethink what we thought we knew.

By Christopher Riseley, Research Fellow, Università di Bologna
Tessa Vernstrom, Senior research fellow, The University of Western Australia
One of the objects is a ‘fossil’ radio source – a leftover from the death of a supermassive black hole that once shot out huge jets of plasma.The Conversation


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