Word: hourse
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Dates: during 1970-1979
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The crucial final countdown will begin when Skylab drops to about 120 miles above earth, roughly 48 hours before its re-entry into the atmosphere. At that point, a higher-level interagency team of experts, including NASA Administrator Robert A. Frosch, will take up positions in the Skylab Coordination Center...
The key decision is to be made when Skylab falls to a height of about 90 miles above earth, some twelve hours before estimated reentry. At that point the controllers could use some of the 6,000 remaining pounds of fuel to rotate the craft into various nose-forward, "low...
Even with all the planning, the margin of possible error is uncomfortably large. At about six hours before reentry, NASA'S projected impact points for Skylab's disintegrating parts occur somewhere along a path of 40,000 miles?nearly twice the circumference of the globe. At two hours, the final...
In fact, Skylab's history of glitches demonstrated both the futility of taking technological shortcuts and the agility of men working in space to remedy unexpected ailments. When Skylab was launched by a Saturn 5 booster rocket on May 14, 1973, a large section of its meteoroid and heat shield...
It took six hours of preparations before Eagle's hatch was finally opened and Armstrong squeezed through the small opening. Toting the bulky life-support pack that kept him alive on the airless surface of the moon, he cautiously, hesitantly climbed down the ship's ladder. By now...