The European Space Agency aims to make the Rosetta space mission the first to attempt a landing on a comet's surface.
This video reveals what will happen when the Philae lander arrives at the comet with the Rosetta spacecraft:
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The journalist reached an agreement with the corporation last month.
The Russian leader spoke during a press conference following a summit with US president Donald Trump in Helsinki.
Leading former anti-apartheid campaigner Lord Peter Hain, who is chair of the Nelson Mandela Centenary Exhibition, welcomed the royal suppor