Word: diameterically
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Dates: during 1980-1989
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The Oort Cloud, explains Berkeley's Spinrad, would consist of at least a trillion "dull blocks of ice," ranging from a few inches to a few miles in diameter. Out in that velvet blackness of space, where temperatures approach absolute zero, the snowballs remain unchanged, well beyond the effects of...
When a comet is still as far away as 5 AU from the sun, about the distance of Jupiter, its most volatile material begins forming a coma that reflects light. By the time the most powerful telescopes first catch a glimpse of a comet, the coma already obscures the nucleus...
"Ten years ago, muscles were the most important thing," says Arnold Schwarzenegger. "People knew me for one thing, body building. They wanted to see me with the muscles. But eventually I think they will forget about the 'Body.' " Well, maybe, but they have not forgotten the Grand Canyon, Niagara Falls...
ICE is in fact an old space hand, having already logged more than 30 million miles before its billion-mile cometary odyssey. Measuring 5 ft. tall and 5 1/2 ft. in diameter, the drum-shaped spacecraft was launched on Aug. 12, 1978; as one of three vehicles in the International...
By submarine standards of yore, life aboard the Jackson borders on easy duty. The $2 billion Tridents contain the first flush toilets in an underwater craft, and the first stairs. The air is kept at a constant 72 degrees and circulates rapidly enough to make smoking permissible. Instead of being...