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Philae lander sends back first ever image from comet


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The mission was agreed more than 20 years ago: the journey has taken just over 10 years, covering a distance of 4bn miles – that’s a million times the distance to the centre of the Earth, or the equivalent of eight thousand return trips to the moon. The journey involved “swinging by” Mars once and the Earth three times, each time gaining a gravitational shove in the right direction, and also a hibernation period of two and a half years to conserve energy. Along the way, Rosetta has studied two planets, two comets and two asteroids.
http://www.theguardian.com/science/2014/nov/12/rosetta-mission-philae-historic-landing-comet

 

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