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Deep Impact Attacks Comet Tempel 1
For the past 138 years, since its discovery in 1867, Comet Tempel 1 has had distant but harmonious relations with the inhabitants of planet Earth. But on July 4, somewhere between Mars and…diving, deep-sea
(Encyclopedia) diving, deep-sea, act of descending into deep water, generally with some form of breathing apparatus, and remaining there for an extended period. It is used in fishing for sponges,…deep-sea exploration
(Encyclopedia) deep-sea exploration: see oceanography.lobefin
(Encyclopedia) lobefin, common name for any of a group of lunged, fleshy-finned, bony fishes, also called crossopterygians, that were dominant in the Devonian period and may have given rise to…Prussian blue
(Encyclopedia) Prussian blue, pigment widely used for laundry bluing, in dyeing compounds, and in the manufacture of inks and paints. Several varieties are known, one of which consists of the…blue laws
(Encyclopedia) blue laws, legislation regulating public and private conduct, especially laws relating to Sabbath observance. The term was originally applied to the 17th-century laws of the theocratic…Blue Rider
(Encyclopedia) Blue Rider: see Blaue Reiter, der.Blue Ridge
(Encyclopedia) Blue Ridge, eastern range of the Appalachian Mts., extending south from S Pa. to N Ga.; highest mountains in the E United States. Mt. Mitchell, 6,684 ft (2,037 m) high, is the tallest…blue shift
(Encyclopedia) blue shift or blueshift, in astronomy, the systematic displacement of individual lines in the spectrum of a celestial object toward the blue, or shorter wavelength, end of the visible…blue vitriol
(Encyclopedia) blue vitriol, the pentahydrate of cupric sulfate.Trending
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