Tua Rua
Tua Rua
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WikiPedia: Tua Rua http://vatlythienvan.com/quan-sat-thien-van/bau-tr... http://adsabs.harvard.edu/abs/2004A&A...425L..45Z http://adsabs.harvard.edu/abs/2005A&A...429..887P http://simbad.u-strasbg.fr/Simbad http://www.seds.org/messier/m/m045.html http://thienvanhanoi.org/forum/showthread.php?2714... http://www.vutrutrongtamtay.org/2014/11/pleiades-7... https://commons.wikimedia.org/wiki/Category:Pleiad... https://books.google.com.vn/books?id=CylHAAAAcAAJ&...