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===> What is the atmosphere of Jupiter like?

Jupiter

The atmosphere of Jupiter contains hydrogen, helium, methane, ammonia, ethane, acetylene, phosphine, water vapor, carbon monoxide.

Source: WorldBook


Jupiter

Atmosphere

Surface Pressure: >>1000 bars	
Temperature at 1 bar: 165 K (-108 C)
Temperature at 0.1 bar: 112 K (-161 C)
Density at 1 bar: 0.16 kg/m3
Wind speeds
	Up to 150 m/s (<30 degrees latitude)
	Up to	40 m/s (>30 degrees latitude)
Scale height: 27 km
Mean molecular weight: 2.22 g/mole
Atmospheric composition (by volume, uncertainty in parentheses)
	Major:	Molecular hydrogen (H2) - 89.8% (2.0%); Helium (He) - 10.2% (2.0%)
	Minor (ppm): Methane (CH4) - 3000 (1000); Ammonia (NH3) - 260 (40);
	Hydrogen Deuteride (HD) - 28 (10); Ethane (C2H6) - 5.8 (1.5);
	Water (H2O) - 4 (varies with pressure)
	Aerosols:	Ammonia ice, water ice, ammonia hydrosulfide
Magnetosphere

Dipole field strength: 4.28 gauss-Rj3
Dipole tilt to rotational axis: 9.6 degrees
Longitude of tilt: 201.7 degrees
Dipole offset (planet center to dipole center) distance: 0.131 Rj
Latitude/Longitude of offset vector: -8.0 degrees/148.57 degrees

Note: All latitudes/longitudes are given in Jovian System III (1965.0) coordinates.
Rj denotes Jovian radii, 71,398 km

Source: Planetary Sciences at the National Space Science Data Center