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The year 2007 involved many significant scientific events and discoveries, some of which are listed below. ==Events, discoveries and inventions== *9 January – Apple Inc.'s first iPhone smartphone is announced by Steve Jobs at Macworld in San Francisco; it is released on 29 June. *12 January – Comet McNaught reaches perihelion and becomes visible from Earth during daylight. *14 January – Scientists at the Roslin Institute announce they have genetically engineered chickens to lay eggs containing cancer-fighting proteins. *28 February – The ''New Horizons'' space probe makes a gravitational slingshot around Jupiter to change its trajectory towards Pluto. *3–4 March – A total lunar eclipse occurs, visible in some parts of the Americas and Asia, and in all of Europe and Africa. *19 March – A partial solar eclipse occurs, visible in Asia. *10 April – Spectroscopic analysis of HD 209458 b, an extrasolar planet, provides the first evidence of atmospheric water vapor beyond the Solar System. *24 April – The potentially habitable exoplanet Gliese 581 c is discovered in the constellation Libra. *27 April – US researchers simulate half a virtual mouse brain on a supercomputer. *5 June – NASA's ''MESSENGER'' spacecraft makes its second flyby of Venus en route to Mercury, which it reaches in 2011. *2 July – Venus and Saturn are in conjunction, with a separation of 46 arcseconds. *28 August – A total lunar eclipse occurs, visible in some parts of the Americas and Asia, and all of Australasia and the Pacific Ocean. *11 September – A partial solar eclipse occurs, visible in southern areas of South America. *27 September – NASA's ''Dawn'' spacecraft is launched, beginning its journey to the asteroid belt objects Vesta and Ceres. It reached Vesta in 2011, and will reach Ceres in 2015.〔(【引用サイトリンク】title=Dawn departs Vesta to become first asteroid hopper )〕 *24 October * * Comet 17P/Holmes suddenly brightens from 17 to 2.8 magnitude. * * Chang'e 1, the first satellite in the Chinese Lunar Exploration Program, is launched from Xichang Satellite Launch Center; on 5 November it enters lunar orbit. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「2007 in science」の詳細全文を読む スポンサード リンク
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