Scientists from the Rosetta mission have found oxygen in the atmosphere of comet 67P/Churyumov-Gerasimenko — a discovery that could change our understanding of how the solar system formed.
The molecular oxygen (O2) was detected by the ROSINA mass spectrometer, one of a suite of instruments aboard the Rosetta spacecraft that has been traveling with the comet since August 2014.
The revelation came as quite a shock.
As reported in the Los Angeles Times on October 28, 2015.
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