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Paris: A comet streaking through space with a European robot lab riding piggyback will skirt the Sun this week, setting another landmark in an extraordinary quest to unravel the origins of life on Earth.
Scientists hope the heat of perihelion — when the comet comes closest to the Sun in its orbit — will cause the enigmatic traveller to shed more of its icy crust.
If so, it could spew out pristine particles left from the Solar System’s birth 4.6 billion years ago, they believe.
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