Word: diameterically
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When the earth is between the sun and Saturn and sunlight is falling on the rings from over the earth's shoulder, the rings get suddenly brighter. This effect can be explained by an assumption that the rings are made of small particles, probably ice, and that the nearer...
13,000 Moons. Although at its closest Mariner was still 21,000 miles away from Venus, a human observer riding the spacecraft would have seen a spectacular sight. Even from 500,000 miles, Venus would be a crescent twice as high as the crescent moon. Because of its high reflectivity...
Unlike Durante, who tears pianos apart with his bare hands, collegiate wreckers use axes, sledge hammers, iron wedges, crowbars and brooms. Working against the clock, the students must batter a piano into pieces small enough to be passed through a hole in a board 20 cm. (7.87 in.) in diameter...
Not necessarily, Aerodynamicist Robert Brodsky told the Institute of the Aerospace Sciences in Manhattan last week. Spaceships, like ocean liners, said Dr. Brodsky, can carry lifeboats. When stowed on board, a Brodsky-designed lifeboat will be a cylinder of strong, heat-resistant plastic up to 1 yd. in diameter, 11...
Lyttleton figures that the earth's compressible liquid core, which can be studied by means of earthquake waves, has caused the earth to shrink about 400 miles in diameter. Some 20 million square miles of crust have been tucked away in mountainous folds and wrinkles. How long this process...