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QuadrantidsThực đơn
QuadrantidsLiên quan
Quadrantids Quadrosilan Quadra Quadrans Muralis Quadrelle Quadriptilia Quadrasiella mucronata Quadrasiella clathrata Quadrus QuadrisporaTài liệu tham khảo
WikiPedia: Quadrantids http://www.cloudbait.com/science/quadrantid2013.ht... http://www.ianridpath.com/iaulist1.htm http://www.meteorblog.com/2012/01/meteor-shower-20... http://meteorshowersonline.com/quadrantids.html http://www.space.com/spacewatch/081219-ns-meteor-s... http://www.nasa.gov/topics/solarsystem/features/wa... http://aa.usno.navy.mil/cgi-bin/aa_moonphases.pl?y... http://aa.usno.navy.mil/cgi-bin/aa_moonphases.pl?y... http://www.imo.net/calendar/2009#qua http://www.imo.net/calendar/2010#janmar