Science: New Crisis in Space

After their difficult and dangerous attempts to dock with and repair the first U.S. space laboratory finally succeeded, the Skylab 1 astronauts last week settled down to work in their cavernous home in the sky. They made scientific observations of the earth and sun, performed biomedical tests on themselves, and even feasted on some of the foods that NASA had feared would spoil in Skylab's scorching temperatures. The outlook seemed bright. Asked whether they expected to remain aloft for a full 28-day mission, Commander Charles ("Pete") Conrad Jr. replied unhesitatingly: "You betcha!"...

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