This atmosphere is probably not dense, but science now generally admits that it exists." "Not upon the mountains," replied the unknown, who would not give in.
"No, but in the depths of the valleys, and it is not more than some hundreds of feet deep." "Any way you will do well to take your precautions, for the air will be terribly rarefied." "Oh, there will always be enough for one man.

Besides, once delivered up there, I shall do my best to economise it and only to breathe it on great occasions." A formidable burst of laughter saluted the mysterious interlocutor, who looked round the assembly daring it proudly.
"Then," resumed Michel Ardan, carelessly, "as we are agreed upon the presence of some atmosphere, we are forced to admit the presence of some water--a consequence I am delighted with, for my part.

Besides, I have another observation to make.

We only know one side of the moon's disc, and if there is little air on that side there may be much on the other." "How so ?" "Because the moon under the action of terrestrial attraction has assumed the form of an egg, of which we see the small end.

Hence the consequence due to the calculations of Hausen, that its centre of gravity is situated in the other hemisphere.