Jupiter: 90% hydrogen 10% helium 0.3% methane Saturn: 90% hydrogen 3.5% helium .5% methane Uranus: 83% hydrogen 15% helium 2% methane Neptune: 80% hydrogen 19% helium 2% methane

which planets have the most similar atmospheres
i think its Uranus and Neptune am i correct?

1 answer

Yes, you are correct. Uranus and Neptune have the most similar atmospheres among the given planets. Both have a higher percentage of methane compared to Jupiter and Saturn. Furthermore, the ratios of hydrogen and helium in their atmospheres are closer to each other as well.