Word: pollack
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...traditional view, the dark areas of Mars are considered lowlands, with bright sectors a mere mile or so higher. But Carl E. Sagan, assistant professor of Astronomy, and James B. Pollack of the Smithsonian Astrophysical Observatory, have reversed the roles of dark and light areas. And the highland, they say, are far more than a mile above "sea" level...
...picture of Mars," Pollack said yesterday, "is much like the Earth without oceans." The dark areas are contintents, and the bright areas are dry ocean basins. There are differences, of course: Mars can support higher mountains because it has less gravity, and it overed with a thick layer of dust...
Mars has continents, Pollack continued, it must have geological activity, too. Just as on the Earth, there must be forces within the planet that have molded the surface, pushing the continents above the deserts...
Aiming for bold, big-screen entertainment, Director Sydney Pollack emphasizes rowdy period flavor and gives his cast leeway for showy performances. The movie as a whole is too bright and vulgar to be dull, but expensive talent has been squandered on every chore except the crucial one of keeping a small, evanescent tragedy in focus...
...ROBERTA POLLACK University of Chicago Chicago