Word: spacecrafts
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...more than five months, the three unmanned spacecraft have been racing almost neck and neck through the cold blackness of the interplanetary void. Now, as the target looms ever larger ahead of the ships, there is a growing air of anticipation in control rooms back on earth. For the three robot voyagers-one American, two Russian -should this week begin giving man his closest and most penetrating look yet at the planet Mars...
...visit went off virtually without a hitch. At week's end, Nixon and Tito issued a joint communique heralding Yugoslavia's policy of nonalignment as "an important factor in international relations." Then Tito flew on to Houston for a tour of NASA's Manned Spacecraft Center and to Los Angeles for a visit to the McDonnell Douglas plant before returning home via Canada this week...
Star Treks. This Einsteinian concept of "time contraction," if proved to be a real physical effect, eventually could help man conquer the vast distances to the stars. Aging more slowly at high speeds, astronauts could make trips that would take longer than their normal terrestrial life spans. If their spacecraft traveled close to the speed of light (186,000 miles per sec.), as a matter of fact, so little time would elapse for the astronauts compared with the experience of people back on earth that they might return home to meet their own great-grandchildren...
...tack. He contends that the Einstein theory and equations are correct, but that Einstein misinterpreted the equations in stating the clock paradox. A relativity theorist himself at the State University of New York in Buffalo, Sachs argues that the equations suggest that the difference between a clock aboard a spacecraft and one on the ground is observational rather than real. It is, he says, an effect similar to that experienced by an observer on a station platform who hears a change in pitch of the whistle of a passing train-when no change has actually occurred...
Echoing Glenn Seaborg's anticipation of U.S.-Soviet collaboration in atomic research, NASA officials announced that the two nations were planning a joint space mission that could come as early as 1974. The most likely first step, Americans and Soviet planners decided, will be to dock an Apollo spacecraft with a Russian space station similar to the Salyut now in orbit. Following this, the space scientists envision a link-up between a Soyuz spacecraft and an American Skylab scheduled for launch...