A German woman fearing that the Earth would be sucked into oblivion in a black hole has failed in her court attempt to halt the world's most powerful atom-smasher.
The Constitutional Court in the western Germany city of Karlsruhe threw out the woman's appeal because she was "unable to give a coherent account of how her fears would come about".
"The overwhelming scientific opinion is that the experiments carried out at CERN (the European Organisation for Nuclear Research) present no dangers," the court added.
CERN scientists are looking to the Large Hadron Collider (LHC) to mimic the conditions that followed the Big Bang and help explain the origins of the universe.
Housed inside a 27-km tunnel straddling the Franco-Swiss border, the collider was started with great fanfare in September 2008, only to break down after nine days for the next 14 months.
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It was shut down again in December, this time to ready it for collisions at unfathomed energy levels which began last month.
Other opponents have also sought to stop the collider, fearing either a black hole whose super-gravity would swallow the Earth or a theoretical particle called a strangelet that would turn the planet to goo.
