Word: iceberg
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Dates: during 1990-1999
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...Iceberg lettuce from California...
Sanchez and other members of Congress, however, seemed only the tip of the iceberg among the victims of Dornan's wrath...
...apartment, though, is just the tip of the iceberg. This is also the time for Serious Life Decisions. I had initially counted myself among the lucky that I do not have the looming decision about whether to break off a long-term relationship at graduation. Without that complexity in my life, I thought that the transition to the Real World would be simple: all I would have to do is show up at my job and do what I am told...
Though all such otherworldly erupting is dramatic, it amounts to little more than geological pyrotechnics. On Europa, however, tidal heating may have produced something truly remarkable. The formations Galileo spotted last week are definitely icebergs, though less jagged-looking than those found on Earth. Astronomers don't know why Europan ice and terrestrial ice would not fracture the same way, but they admit they have no experience with the kinds of cracks that are produced when an entire world is frozen over. More to the point, the bergs are small, rising just 300 to 600 ft. above the surrounding...
This cloud, which can grow to thousands of miles across, is the comet's head, the light-reflecting shroud that turns an otherwise insignificant iceberg into a brilliant object. Just how brilliant depends on many factors. The solid comet's size is one, and Hale-Bopp, an estimated 20 miles across, is bigger than most. (Halley's was less than half as large.) Its history is another. Out in deep space, a comet can get encrusted with a layer of gummy dust. This layer can seal in most of the ice and prevent it from vaporizing. Some gas may spurt...