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Rosetta: Audacious comet landing site chosen
Scientists and engineers have spent weeks studying the 4km-wide "ice mountain" known as 67P, looking for a location they can place a small robot.
They have chosen what they hope is a relatively smooth region on the smaller of the comet's two lobes.
...
On 67P's smaller lobe, it has good lighting conditions, which for Philae means having some periods of darkness to cool its systems.
The back-up site is situated on the larger of 67P's lobes. Its designation through the selection process has been the letter "C".
http://www.bbc.co.uk/news/science-environment-29203284
They have chosen what they hope is a relatively smooth region on the smaller of the comet's two lobes.
...
On 67P's smaller lobe, it has good lighting conditions, which for Philae means having some periods of darkness to cool its systems.
The back-up site is situated on the larger of 67P's lobes. Its designation through the selection process has been the letter "C".
http://www.bbc.co.uk/news/science-environment-29203284
