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The Transiting Planets and Planetesimals Small Telescope (TRAPPIST) is a Belgian, remote and robotic telescope in Chile, which came online in 2010. It is named in homage to Trappists in the Belgian region.〔http://www.ati.ulg.ac.be (TRAPPIST – The Trappist Order: a lifestyle )〕 Situated high in the Chilean mountains at ESO's La Silla Observatory, it is actually controlled from Liege, Belgium with some autonomous features. It is a reflecting telescope 0.60 m (23.5″) in aperture diameter and is housed in the dome of the retired Swiss T70 telescope. The telescope is a joint venture between the University of Liège, Belgium and Geneva Observatory, Switzerland, and among other tasks, it specializes in comets and hunting exoplanets.〔ScienceDaily, (TRAPPIST Telescope to Scout the Sky and Uncover Exoplanets and Comets ), 9 June 2010〕〔Newscientist.com, (Kelly Beatty - Former 'tenth planet' may be smaller than Pluto ), November 2010〕 In November 2010, it was one of the few telescopes that observed a stellar occultation of the planetary body Eris, revealing that it may be smaller than Pluto, and it helped observe a stellar occultation by Makemake, when it passed in front of the star ''NOMAD 1181-0235723''. The observations of this event showed it lacked a significant atmosphere.〔(Dwarf Planet Makemake Lacks Atmosphere ) (ESO : 21 November 2012)〕〔 == Gallery== File:TRAPPIST telescope at La Silla Eso1023e.jpg|The 60-cm telescope is operated from Liège, Belgium, 12 000 km away. File:The TRAPPIST telescope at La Silla.jpg|TRAPPIST's enclosure File:Starry night invites to go out and look to the stars.jpg|TRAPPIST is housed at the former Swiss T70 telescope site 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「TRAPPIST」の詳細全文を読む スポンサード リンク
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