Word: dust
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Dates: during 1970-1979
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...track was slow and there was enough dust to cause black lung disease but the final indoor track meet to be held in Briggs Cage inspired record-setting performances as Northeastern ran past Harvard Saturday afternoon...
...Dust (Victor Fleming...
Wilson said that board members had already asked him and Glynn to rejoin the board, but that both were "waiting until the dust settled" before deciding what...
...very discreetly pulls the curtain over the act of birth," says Thaddeus. But the infant star soon makes its presence known, shining through and illuminating the obscuring cloud. This process is occurring in the Orion Nebula (see color page), the illuminated portion of a gigantic cloud of gas and dust that is giving birth to new stars. Some of the stars spawned by the nebula have been formed as recently as the time when the human species first stood upright; the newest offspring are only about 100,000 years old−mere infants by stellar standards...
...nature. That this sequence occurred seems to be supported by spectral-line evidence in starlight. Older stars, formed when the universe was young, have only traces of the heavier elements. Stars born more recently have more of the heavy elements produced by their predecessors. Those currently forming in interstellar dust clouds can be expected to have significant proportions of the atoms produced in celestial forges. Says Thaddeus of the clouds: "We can see the lovely fertilizer, this compost heap just sitting there waiting to be consumed in star formation...