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Physics and Star Wars
The space opera interstellar epic ''Star Wars'' uses science and technology in its settings and storylines, although its main focus is not necessarily on science. The series has showcased many technological concepts, both in the movies and in the expanded universe of novels and comics. The ''Star Wars'' movies primary aim is to deliver drama, philosophy, political science and less on scientific knowledge. Many of the on-screen technologies created or borrowed for the ''Star Wars'' universe were used mainly as plot devices or as aesthetic elements, and not as elements of the story in their own right.
The iconic status that ''Star Wars'' has gained in popular culture allows it to be used as an accessible introduction to real scientific concepts. Many of the features or technologies used in the ''Star Wars'' universe are not yet considered possible. However their concepts are still probable.
==Tatooine's twin suns==
In the past scientists thought that planets would be unlikely to form around binary stars. However, recent simulations indicate that planets are just as likely to form around binary star systems as single-star systems. Of the 778 Exoplanets currently known, about 20 or so actually orbit binary star systems. Specifically, they orbit what are known as "wide" binary star systems where the two stars are fairly far apart (several AU). Tatooine appears to be of the other type — a "close" binary, where the stars are very close, and the planets orbit their common center of mass.
The first observationally confirmed binary — Kepler-16b — is a close binary. Exoplanet researchers' simulations indicate that planets form frequently around close binaries, though gravitational effects from the dual star system tend to make them very difficult to find with current Doppler and transit methods of planetary searches.〔 In studies looking for dusty disks—where planet formation is likely—around binary stars, such disks were found in wide or narrow binaries, or those whose stars are more than 50 or less than 3 AU apart, respectively. Intermediate binaries, or those with between 3 and 50 AU between them, had no dusty disks. In 2011 it was reported by The Guardian that NASA space craft Kepler had discovered a planet, named Kepler-16b, with twin suns as seen in the ''Star Wars'' films.〔(【引用サイトリンク】title='Star Wars' planet discovered with two suns )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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