they had fled on our emergence from the interior passages, or whether they were accustomed to retire after driving out the mooncalves, I cannot guess. At the time I believed the former was the case.
"If we were to set fire to all this stuff," I said, "we might find the sphere among the ashes."
Cavor did not seem to hear me. He was peering under his hand at the stars, that still, in spite of the intense sunlight, were abundantly visible in the sky. "How long do you think we've have been here?" he asked at last.
"Been where?"
"On the moon."
"Two earthly days, perhaps."
"More nearly ten. Do you know, the sun is past its zenith, and sinking in the west. In four days' time or less it will be night."
"But—we've only eaten once!"
"I know that. And— But there are the stars!"
"But why should time seem different because we are on a smaller planet?"
"I don't know. There it is!"
"How does one tell time?"
"Hunger—fatigue—all those things are different. Everything is different—every-
