New results from Ptolemy -- an instrument on the Rosetta mission’s Philae lander, suggest that Comet 67P/Churyumov-Gerasimenko may be giving of different gases from different parts of its surface, making it heterogeneous in nature, Ptolemy -- the gas analysis instrument on board Philae, has taken measurements of the concentration of volatile molecules at the lander’s final resting site, known as. Its findings have shown the presence of both water (H2O) and carbon dioxide (CO2), but of very little carbon monoxide (CO).
via Science Daily
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