These vary depending on the depth and origin of methane gas, enabling scientists to fingerprint and distinguish each source of methane. (sciencedaily.com)
First launched in Carroll County in 2012, the GRO team of researchers is examining methane levels and origins of methane in private wells and springs before, during and after the onset of fracking. (sciencedaily.com)
This illustration depicts potential origins of methane found in the plume of gas and ice particles that sprays from Saturn's moon, Enceladus, based on research by scientists working with the Ion and Neutral Mass Spectrometer on NASA's Cassini mission. (astrobio.net)