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Live coverage: Rosetta’s final hours

30 September 2016 Stephen Clark

Europe’s Rosetta spacecraft will close out a historic 4.9-billion-mile journey Friday with a slow-speed crash into the nucleus of comet 67P/Churyumov-Gerasimenko, the tiny world it has studied for the last two years, capturing some of the mission’s best science data to help unravel the inner workings of the comet. Confirmation of the crash landing should arrive on Earth around 1218 BST.

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Happy Hour on Comet Lovejoy

24 October 2015 Astronomy Now

Comet Lovejoy lived up to its name by releasing as much ethyl alcohol as in at least 500 bottles of wine every second as well as a type of sugar into space during its peak activity, according to new observations by an international team. The finding adds to the evidence that comets could have been a source of the complex organic molecules necessary for the emergence of life.