Many Gases...
Helium and Hydrogen make up most of the planet.
I don't know about methane.
This planet is the largest Gas Giant.
I hope this helps.
Jupiter is mainly made of Hydrogen.
Jupiters Darling was created on 2004-06-22.
jupiters ice moon is Io
approximately 1.3 can fit in Jupiters core
Jupiters orbital speed in relation to the sun is 13.07 km/sec on average.
Jupiters gravitational field strength is 25 Nkg^-1
Conrad Jupiters Art Prize was created in 1968.
Saturn.
nothing
yes
no
254%