The Rosetta spacecraft has unexpectedly detected hydrogen sulphide and ammonia coming from Comet Churyumov-Gerasimenko. Lee Billings reports     <br>
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The Rosetta spacecraft has unexpectedly detected hydrogen sulphide and ammonia coming from Comet Churyumov-Gerasimenko. Lee Billings reports &nbsp; &nbsp;&nbsp;<br>
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Comet Reeks of Cat Crap and Rotten Eggs

Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of astronomy and space exploration

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Comet Reeks of Cat Crap and Rotten Eggs

Comet Reeks of Cat Crap and Rotten Eggs

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