Radio silence. The static of the Uranian magnetic field. Perhaps Ann was allowing her the experience of pain, which given its omnipresence was no great generosity. In fact it made Zo furious. “Do you really think it takes centuries to become human, that no one was human until you geriatrics came along? Keats died at twenty-five, have you read Hyperion? Do you think this hole in a rock is as sublime as even a phrase of Hyperion? Really, you issei are so horrible. And you especially. For you to judge me, when you haven’t changed from the moment you touched Mars. . . .”

“Quite an accomplishment, eh?”

“An accomplishment in playing dead. Ann Clayborne, the greatest dead person who ever lived.”

“And an impertinent girl. But look at the grain of this rock, twisted like a pretzel.”

“Fuck the rocks.”

“I’ll leave that to the sensualist. No, look. This rock hasn’t changed in three-point-five billion years. And when it did change, my Lord what a change.”

Zo looked at the jade rock under their boots. Somewhat glasslike, but otherwise utterly nondescript. “You’re obsessed,” she said.

“Yes. But I like my obsessions.”

• • •

After that they hiked down the spine of the buttress in silence. Over the course of the day they descended to Bottom’s Landing. Now they were a kilometer below the rims of the chasm, and the sky was a starry band overhead, Uranus fat in the middle of it, the sun a blazing jewel just to one side. Under this gorgeous array the depth of the rift was sublime, astonishing; again Zo felt herself to be flying. “You’ve located intrinsic worth in the wrong place,” she said to all of them, over the common band. “It’s like a rainbow. Without an observer at a twenty-three-degree angle to the light reflecting off a cloud of spherical droplets, there is no rainbow. The whole universe is like that. Our spirits stand at a twenty-three-degree angle to the universe. There is some new thing created at the contact of photon and retina, some space created between rock and mind. Without mind there is no intrinsic worth.”

“That’s just saying there is no intrinsic worth,” one of the guardians replied. “It collapses back to utilitarianism. But there’s no need to include human participation. These places exist without us and before us, and that is their intrinsic worth. When we arrive we should honor that precedence, if we want to be in a right attitude to the universe, if we want to actually see it.”

“But I see it,” Zo said happily. “Or almost see it. You people will have to sensitize your eyes with some addition to your genetic treatments. Meanwhile it’s glorious, it truly is. But that glory is in our minds.”

They did not answer. After a while Zo went on: