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pkg vassileva rosetta probe comet landing site_00001007.jpg
pkg vassileva rosetta probe comet landing site_00001007.jpg

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    Scientists debate comet landing site

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Scientists debate comet landing site

The Rosetta mission announces its landing site Monday and choosing the right place is key. Ralitsa Vassileva reports.

Scientists debate comet landing site

The Rosetta mission announces its landing site Monday and choosing the right place is key. Ralitsa Vassileva reports.