Science: Morning for Surveyor

As the frigid lunar night finally ended, sunlight once again splashed its warmth on the man-made visitor, Surveyor I. After its two-week hibernation at —250° F., the spaceship showed no sign of reviving. Its receiver, turned on ever since it landed on the moon almost four weeks before, seemed incapable of picking up radioed signals and translating them into the commands that would awaken the space traveler's other instruments. Day after day, the scientists at Jet Propulsion Laboratory in Pasadena tried to make contact; day after day, their only response was silence.

Aware that the intense lunar cold might well have changed...

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