
The floor of Jupiter’s moon Callisto is scarred with impression craters, and its environment holds carbon dioxide fuel
NASA/JPL/DLR
Astronomers have noticed gaseous carbon dioxide throughout the environment of Jupiter’s second-largest moon, Callisto, hinting that it may need a way more complicated carbon cycle than we thought. On Earth, the carbon cycle helps to maintain a steady local weather.
Callisto is among the photo voltaic system’s oldest objects, having fashioned some 4.5 billion years in the past round Jupiter. Additionally it is probably the most battered objects, with a floor blanketed by craters.…