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(BBC Newsline 6.30 - 13/02/2009 / Reporter: Mike McKimm) An asteroid striking Earth is a nightmare scenario we hope to avoid - but how well are we prepared to spot "near Earth events"?
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Huge objects from deep space hurtling towards the earth is a frightening thought, but a recent collision between two satellites may have made them harder to spot. Queen's University is one of the Near Earth Object detection centres. Its job - to spot potential threats when they are still far away.

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