Word: marse
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Dates: during 1960-1969
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Mariner started its historic journey on Nov. 28, 1964, only three weeks after Mariner III failed because it could not jettison its protective shroud. A powerful Atlas-Agena rocket lofted the 575-lb. Mariner IV through Earth's atmosphere, then kicked it loose to take off on its own...
Such a maneuver is based on the solution of complex mathematical equations involving all the intricacies of space mechanics. Computers at JPL took into account Mariner's speed and trajectory, its location in relation to the point in Mars's orbit where the encounter should take place, and...
On Feb. 11, JPL signaled for a checkout of Mariner's photographic apparatus. The commands turned on and then turned off power to the tape recorder, and pointed the TV camera as it would have to be when it got close to Mars. Everything functioned well. Recalling the dust...
Planning for Trouble. Well past mid-point in its journey, the spaceship was sailing along smoothly. No problems, only precedents. On April 29, when Mariner reached a straight-line distance from earth of 66 million miles, it surpassed the record for long-distance space communications set two years ago by...
So uneventful was the flight that it began to worry Mariner Project Manager Dan Schneiderman. He was afraid that his 200-man control team might begin to take the mission too much for granted. Determined to guard against the danger, he busied his men with practice Mars encounter exercises all...