Word: circularity
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...weather satellite Tiros I (from Television and Infra-Red Observation Satellite) went into an almost perfectly circular orbit that will keep its cameras at an efficient picture-taking distance. Its farthermost point of 468 miles from the earth is only 32 miles higher than the low point. The feat of orbital precision, unequaled by either U.S. or Soviet satellites, was accomplished by a special Bell Telephone Laboratories guidance system in the rocket's second stage...
...tallest apartment houses ever built will start rising this summer in the heart of Chicago's downtown area, north of the Loop. Architect Bertrand Goldberg, 46, a onetime student of Mies van der Rohe. devotes the first 18 floors of his pair of circular towers to a spiral ramp for automobiles, and the top 40 stories to pie-shaped apartments, each with its own balcony. Called Marina City, the project will fill a 3.1-acre plot, now occupied by a railroad siding bordering on the Chicago River hard by the famed Wrigley Building, will include drydock storage space...
...certainly the best-kept secret of the year. From Clarence House, the home of the Queen Mother, a court circular announced the "betrothal of her beloved daughter the Princess Margaret to Mr. Antony Charles Robert Armstrong-Jones." Who, asked nearly everybody, is Antony Armstrong-Jones...
...were unavoidable. Once the original rockets had burned out, there was no power available to correct the orbit. Last week Lockheed Aircraft Corp. announced development of a rocket engine that can fire a second time, enabling ground controllers or an automatic mechanism to kick a straying satellite into a circular orbit by picking the moment to set off the second blast...
...apogee on the far side of the earth. Left to itself, the satellite would descend again to the low point (perigee) where it first went into orbit. But at apogee the Agena will fire a second time, giving enough additional push to put the satellite on a high, near-circular orbit, and keep it there...