compositional core
31Mercury's magnetic field — Magnetosphere of Mercury Graph showing relative strength of Mercury s magnetic field. Discovery[1] …
32Solar System — This article is about the Sun and its planetary system. For other systems, see planetary system and star system. For a list of physical and orbital statistics for the Solar System s largest bodies, see List of gravitationally rounded objects of… …
33Io (moon) — ] Unlike most satellites in the outer Solar System (which have a thick coating of ice), Io is primarily composed of silicate rock surrounding a molten iron or iron sulfide core. Most of Io s surface is characterized by extensive plains coated… …
34electronics — /i lek tron iks, ee lek /, n. (used with a sing. v.) the science dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors. [1905 10; see ELECTRONIC,… …
35nuclear fusion — fusion (def. 4). [1895 1900] * * * Process by which nuclear reactions between light elements form heavier ones, releasing huge amounts of energy. In 1939 Hans Bethe suggested that the energy output of the sun and other stars is a result of fusion …
36Modular art — is art created by joining together standardized units (modules) to form larger, more complex compositions. In some works the units can be subsequently moved, removed and added to – that is, modulated – to create a new work of art, different from… …
37Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
38Techno — Infobox Music genre name = Techno bgcolor = silver color = black stylistic origins = Electro Industrial Funk Synthpop Chicago house cultural origins = mid 1980s, Detroit, US instruments = Synthesizer Drum machine Sequencer Sampler popularity =… …
39Jean Sibelius — This article is about the Finnish composer. For other uses, see Sibelius (disambiguation). Portrait of Jean Sibelius from 1913 Jean Sibelius (  pronunciation …
40Single bullet theory — The Single Bullet Theory (or Magic Bullet Theory, as it is commonly called by its critics) was introduced by the Warren Commission to explain how three shots made by Lee Harvey Oswald resulted in the assassination of United States President John… …
