He stopped irritatingly.
“Yes?”
“I suppose, anyhow—on any planet where there is an intelligent animal—it will carry its brain case upward, and have hands, and walk erect....”
Presently he broke away in another direction.
“We are some way in,” he said. “I mean—perhaps a couple of thousand feet or more.”
“Why?”
“It’s cooler. And our voices are so much louder. That faded quality—it has altogether gone. And the feeling in one’s ears and throat.”
I had not noted that, but I did now.
“The air is denser. We must be some depth—a mile even, we may be—inside the moon.”
“We never thought of a world inside the moon.”