CRADLE OF SATURN BY JAMES P. HOGAN

“That’s it, folks. Welcome to orbit.”

The faces in the passenger compartment looked about them wonderingly. Milton Clowes let his arms hang weightless in the air in front of him. “Well, I’ll be darned,” he told the others. “Look at that.”

Alice finally let go of her armrests, which she had gripped, white-faced throughout the launch. “I don’t believe we’re still here,” was all she could manage.

“How many times is this for you, Wally?” Tim, the engineer who was with Lomack, asked.

“I don’t know. I’ve lost count. I thought I’d retired from any more of this kind of nonsense.”

The captain spoke again: “Yes, I know the first thing you’re all dying to try is the zero-g. Anyone who feels inclined to experiment now, go right ahead. Take it easy, though. It works better than you think. People who turn into missiles inside here don’t make themselves too popular.” It was just a reminder. They had been through it all in the preflight briefings.

The passengers exchanged glances. None of them really wanted to be the first to risk being a spectacle. Finally, Vicki felt for the buckle securing her harness, then hesitated and gave Keene a questioning look. He nodded encouragingly. “Nobody here’s gonna laugh,” he told her.

She released the catch and eased herself cautiously out of the harness to float above the gee-couch, turning slowly. A touch on the cabin wall stopped her and sent her turning the other way; a push on the wall made her drift toward Wally. Clowes gave her some handclaps by way of applause, and a couple of the others followed.

“This is fantastic!” Vicki told them as she started to get the feel of it. “It’s like being a whale with a whole ocean to frolic in. I want to leap and dive.”

“Doesn’t it make all that business back at the complex seem kind of unimportant now?” Jenny Grewe mused distantly. Vicki drifted down the center of the cabin, turning in a slow cartwheel.

“Hey, that looks cool,” Phil Forely said. “I have to try it too.”

One of the flight crew had unhitched and was moving back. “Okay, but let me give you a few tips first,” he told them. “Just a couple of you at a time, guys. You’ll all get a turn, don’t worry.”

Keene had seen it enough times to leave them to it for a while. He turned his eyes back toward the screen in front and watched the image of the deserts of northeast Africa and the Middle East passing by below. So much had been written about the proliferation of life on Earth. But the planet’s real potential for life had never been really grasped because in recent times there had been nothing to give a measure of it. Earth was still only recovering from its devastation.

He remembered how, years ago, when he first started making regular airline flights eastward from the West Coast, it had amazed him that after leaving the oases of human habitation around San Diego, Los Angeles, or the San Francisco Bay Area, there would be nothing for a thousand miles to the Mississippi valley—just parched mountains, deserts, and canyons; everywhere, the dryness. It was only later, when he began grasping the true scale of the planet by seeing it from orbit, that he realized that had been just a small part of the picture. The vastness of the wildernesses extending from Mauritania on the Atlantic side of Africa to Afghanistan, then onward through Mongolia, and in the southern hemisphere, those of southwestern Africa and virtually all of Australia, staggered the imagination.

It hadn’t always been that way. There had been times when the Sahara was green, Arabia and Iran fertile; what were now the deserts of northwest India and Afghanistan had supported flourishing civilizations. The Sphinx was older than the great pyramids and showed water damage and erosion that couldn’t be accounted for by the conditions that had existed through recorded history.

What it all pointed to was that Earth’s climatic bands had been different then, with narrower tropics and broader temperate zones that had brought rain where there are now deserts and caused grasslands and forests to extend into what is today the Arctic. Such conditions were consistent with the Earth’s axis being more perpendicular to its orbital plane around the Sun. Something, then, had caused it to shift and increased the planet’s tilt, creating the northern and southern desert belts and extending the polar regions.

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