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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…deep-sea exploration
(Encyclopedia) deep-sea exploration: see oceanography.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,…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…blue baby
(Encyclopedia) blue baby, infant born with a congenital heart defect that causes a bluish coloration of the skin as a result of cyanosis (deoxygenated blood). The color is most noticeable around the…blue crab
(Encyclopedia) blue crab, common name for a crustacean, Callinectes sapidus, found on the S Atlantic and Gulf coasts of North America. The blue crab is a member of the family of swimming crabs known…Blue Island
(Encyclopedia) Blue Island, city (2020 pop. 22,549), Cook co., NE Ill., a residential and industrial suburb of Chicago, on the Little Calumet River;…blue jay
(Encyclopedia) blue jay, common name for a familiar bird (Cyanocitta cristata) of central and E North America, allied to the crow, the raven, and the magpie, belonging to the family Corvidae. Almost…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.Trending
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