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canon, in music

(Encyclopedia) canon, in music, a type of counterpoint employing the strictest form of imitation. All the voices of a canon have the same melody, beginning at different times. Successive entrances…

Sitka

(Encyclopedia) SitkaSitkasĭtˈkə [key], city (1990 pop. 8,588), Sitka census div., SE Alaska, in the Alexander Archipelago, on Baranof Island; inc. 1971. Fishing, its first industry, remains important…

Taurus, in astronomy

(Encyclopedia) Taurus [Lat.,= the bull], in astronomy, constellation NW of Orion and lying on the ecliptic (the sun's apparent path through the heavens) between Gemini and Aries; it is one of the…

Kodiak Island

(Encyclopedia) Kodiak IslandKodiak Islandkōˈdēăkˌ [key], 5,363 sq mi (13,890 sq km), c.100 mi (160 km) long and 10–60 mi (16–96 km) wide, off S Alaska, separated from the Alaska Peninsula by Shelikof…

synchrotron radiation

(Encyclopedia) synchrotron radiation, in physics, electromagnetic radiation emitted by high-speed electrons spiraling along the lines of force of a magnetic field (see magnetism). Depending on the…

Non-Native Species: Aquatic Animals

by Mark Hughes Prev Next Round Goby Native to Eurasia, it arrived in the Great Lakes via ballast water. The round goby is known for competing with and preying on…

The Science of SpongeBob

Important questions about life in his benthic community by Holly Hartman More on SpongeBob SpongeBob FactsQuiz: SpongeBob SquarePantsOther Cool Stuff Sea LifeSpongesFantastic Animal…