The Curiosity Mars rover, shown in a self-portrait taken in May, detected a much higher concentration of methane gas on the ground than an overhead orbiter did. Now there may be an explanation.
MSSS/JPL-Caltech/NASA
The Curiosity Mars rover, shown in a self-portrait taken in May, detected a much higher concentration of methane gas on the ground than an overhead orbiter did. Now there may be an explanation.
MSSS/JPL-Caltech/NASA