Word: halos
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...stunning question that may never be answered: Was Shoemaker-Levy 9 really a comet, or was it an asteroid instead? Comets tend to be a mixture of ice, rock and dust, along with substances, like carbon monoxide, that evaporate easily to form a halo and a tail. Scientists studying the chemical composition of the spots on Jupiter where S-L 9 hit thought they might see evidence of water and oxygen, two of the expected products when an icy comet vaporizes. But except for one unconfirmed report,researchers have found only ammonia, hydrogen sulfide and sulfur...
...doesn't think of it in elitist terms," she says. "Although I guess you do carry around this little halo wherever...
Both before and after this revolution,remarkable teachers shared their passionateenthusiasms with us. In philosophy, Rafael Demos,with his halo of white hair, seemed to beSocrates. The noted psychologist Henry AlexanderMurray spoke more (to my relief) of people than ofrats...
...this determinist bleakness, where is the lamplight of hope? In a union of the workers against the bosses? Dream on. The miners endure such harsh lives that when they start a strike, they must brutalize the workers who oppose it. The workers have lost the victim's halo; now their hands will be soiled by blood as well as coal dust...
...means MACHOs alone can't account for all the dark matter. Attention would then shift to the hunt for undiscovered subatomic particles. But if several more MACHOs -- Griest won't say exactly how many -- pop out of the computer, then they could probably account for the entire dark-matter halo. And scientists could be more confident that they have at last found the main fabric of the universe...