Word: polarized
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...went on to cite advances made in his own field of spectrophotometry and showed slides of the spectrum of light from Mars, which seem to indicate there is no oxygen on that planet. Mars' famed polar ice caps, he noted, are probably no more than frost "a few millimeters thick...
...system that watches the horizon with infra-red eyes and shoots high-pressure gas through a series of jets to keep the rocket horizontal in respect to the ground below. When a Discoverer - and there have been eleven fired so far - has circled the earth 17 times on a polar orbit, it passes over Kodiak, Alaska, where a radio control station sends an order that sets the guidance system on a new track, tilting it 60° from the horizontal. An electric impulse fires explosive bolts to kick off a re-entry capsule, a retrorocket slows the capsule...
...candy-striped medicine ball called Transit IB, forerunner of a series of U.S. Navy satellites that by 1962 will provide more exact navigational guidance for ships and planes (see SCIENCE). And even the long-jinxed Air Force Discoverer program got off a perfect launching of Discoverer XI into polar orbit, though airmen once again failed to recover the data capsule that the satellite ejected...
...crewmen went out in rotating groups of 20 to explore, Skipper Nicholson radioed to Operation Deepfreeze headquarters at the South Pole (loud and clear). Then he submerged, took Sargo on "a quick seven-minute trip around the world." On two of their Arctic surfacings, the crewmen spotted tracks of polar bears, happily went hunting for them. Score: none sighted, none bagged. But they had other adventures. The tougher surfacings and a close scrape against the ice pushed in Sargo's sail, punched a pair of holes in its afterdeck, ripped out a plastic dome in its bow. Once...
Last week's Midas splashed into the Atlantic when the second stage failed to fire. But an operational Midas, presumably flying on a polar orbit, will be able to report a missile trail by radio signals that can be received at great distances by U.S. listening stations. If two or more satellites make a simultaneous report, the missile's position can be automatically computed with good accuracy. The Air Force is convinced that six or eight Midas sentries can keep the whole earth under surveillance, reporting almost instantly when and where a possible hostile missile has been launched...