The determination arose from nearly 2 months of air chemistry analyses on board the rover, during which time it also observed dramatic spikes in methane concentrations. (sciencemag.org)
It would be very smart if local scale monitoring of air chemistry were an intrinsic part of gas development. (dotearth.blogs.nytimes.com)
«Without the new computing power made possible by Yellowstone, you can not depict the necessary detail of future changes in air chemistry over small areas, including the urban centers where most Americans live.» (sciencedaily.com)