Word: orbiteer
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...radar data suggested that the new landing zone is smoother than the other two, but Viking scientists wanted detailed photographs of the area before making a final decision. To get them, controllers at J.P.L. last week "tweaked" Viking's thrusters to bring the periapsis (low point) of its orbit directly over the new landing site. If the photographs confirm that Chryse Planitia is relatively smooth, Viking will land on July...
...that the "chicken soup"-a nutrient-rich broth that will be used to moisten samples of Martian soil to determine if they contain organisms-will not keep long enough for all of the experiments scheduled. Even more vexing, Viking 2 is scheduled to arrive at Mars and go into orbit on Aug. 7. That will crowd the schedule of the Viking 1 lander, which will not begin to conduct its experiments until eight days after it lands. Each of the experiments requires an eleven-or twelve-day cycle, and if one of the experiments shows some promising results, it will...
JOHN GLENN, 54, freshman Senator from Ohio, who will be one of the two keynote speakers. Glenn, the first man to orbit the earth, is obviously accustomed to performing with the world's eyes and ears focused on him. It took him three tries before he landed his Senate seat in 1974. Since then, he has been a hard-working centrist. In his debut as a national political figure, Glenn will sound an inspirational note. With his familiar face, his easy, Eisenhower-like smile and technocrat's precise mind, Glenn is a major contender for second place...
...suggested that had a Martian version of Mariner 4 passed within 6,000 miles of earth and taken 22 comparable photographs, it would have uncovered no sign of life (TIME, Jan. 7, 1966). In fact, he noted, in studying hundreds of photographs taken by Nimbus and Tiros weather satellites orbiting only several hundred miles above the earth, he had failed to detect anything that could reasonably be interpreted as evidence of life below. The continuing confidence of Sagan and other life-on-Mars enthusiasts was bolstered in 1971 and '72 when Mariner 9, from an orbit that brought...
...area satisfy scientists that it is safe for landing, controllers will feed the trajectory of the automated descent into the lander's computers and give the craft a final checkout. Then, on instructions from the scientists, the lander, encased in a protective aeroshell, will be detached from the orbiter. About ten minutes later, two rocket engines in the aeroshell will begin firing, slowing the lander to bring it out of orbit and into a descent path. Some 150 miles from the surface, traveling at more than 10,000 m.p.h., Viking will encounter the outer fringes of the Martian atmosphere...