Trapecio de Orión: Diferenzas entre revisións
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* [http://chandra.harvard.edu/press/00_releases/press_110900.html Chandra Observatory Uncovers Hot Stars In The Making], MIT Press Release, 2000. {{en}}
* [http://www.astropix.com/HTML/B_WINTER/TRAPEZ.HTM A detailed description of the Trapezium Cluster]{{Webarchive|url=https://web.archive.org/web/20121105020257/http://www.astropix.com/HTML/B_WINTER/TRAPEZ.HTM |date=05 de novembro de 2012 }} {{en}}
* [[Astronomy Picture of the Day]] - [http://apod.nasa.gov/apod/ap030302.html In the Center of the Trapezium],
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