| http://www.w3.org/ns/prov#value | - Johannesburg - An international consortium planning to build the world's most powerful radio telescope is still debating whether South Africa or Australia should host the $2bn project, an official said on Friday.Scientists hope the Square Kilometre Array, or SKA, will shed new light on fundamental questions about the universe, including how it began, why it is expanding and whether it contains lif
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