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Five questions about the Rosetta mission

On November 12, the Rosetta spacecraft's Philae lander is due to land on the surface of a comet. As a space scientist working with those who have instruments on board, I can't wait. I met up with some of ...

Nov 07, 2014
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Isotopic memory of atmospheric persistence

Chemical analysis of some of the world's oldest rocks, by an international team led by McGill University researchers, has provided the earliest record yet of Earth's atmosphere. The results show that the ...

Jan 15, 2015
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Monitoring meteor showers from space

Those who enjoy the spectacle of the Perseids, Geminids or other annual meteor showers likely aren't thinking about where these shooting stars originated or whether they might pose a danger. Scientists, however, ...

Aug 13, 2014
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Galileo satellite set for new orbit

ESA's fifth Galileo navigation satellite, one of two left in the wrong orbit this summer, will make a series of manoeuvres this month as a prelude to its health being confirmed.

Nov 10, 2014
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