While there are some differences in atmospheric conditions, depending y upon the size and age of the planet, these are little greater than those which you experience on your Earth 1 between sea level and on a mountain several thousand feet high.
惑星の大きさや年齢によっては大気の状態に多少の相違はありますが、地球の海面と数千メートルもある山上で経験する相違とは大差はありません。