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Discovery of abundant oxygen in a comet by Rosetta

The renowned scientific journal Nature published a perplexing discovery on Thursday October 29th: the European Space Agency’s Rosetta spacecraft has discovered – for the first time ever – the presence of oxygen gas O2 in the atmosphere of comet 67P/Churyumov-Gerasimenko. Moreover, oxygen turns out to be a major component, constituting up to 10% of the comet atmosphere.

Read on - 29/10/2015 11:17