There are no exact theories on the formation of a moon, however, some suggest that a moon such as Callisto would have been created from loose debris in the early Solar System captured by the gravitational pull of early Jupiter.
Callisto - comics - was created in 1983.
Jandar of Callisto was created in 1972.
Ylana of Callisto was created in 1977.
San Callisto was created in 1613.
Lankar of Callisto was created in 1975.
Mind Wizards of Callisto was created in 1975.
Black Legion of Callisto was created in 1972.
Mad Empress of Callisto was created in 1975.
Sky Pirates of Callisto was created in 1973.
Callisto - moon - was created on 1610-01-07.
Callisto is jupiter moon so Callisto comes from Jupiter
it is ganyme and callisto