Archive for 2015 / August / 11

Rosetta spacecraft observes brightest jet from Comet 67/P

The European Space Agency (ESA) reports that on July 29 the Rosetta spacecraft observed the brightest and largest eruption from Comet 67P/Churyumov–Gerasimenko to date.  Several of the spacecraft’s instruments took measurements from a distance of 116 miles (186 km) and the results were very interesting.  The Rosetta Orbiter Spectrometer for Ion and Neutral Analysis (ROSINA) detected double the amount of carbon dioxide, quadruple the methane, and seven times the hydrogen sulfide detected just a couple […]