Science: Surveyor's Luck

The sun rose higher in the lunar sky and temperatures climbed toward 270° F. Jet Propulsion Laboratory scientists prepared to shut down their successful Surveyor spacecraft for a two-day siesta. Then they suddenly discovered that the protective shadows of Surveyor's solar panel and rectangular high-gain antenna had fallen over the television camera, keeping it cool enough to shoot pictures for an extra day. Before the camera was again directly exposed to the sun's rays and had to be turned off, Surveyor raised its picture total to an incredible 4,002. After the siesta, it...

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