Tài liệu tham khảo WikiPedia: 55_Cancri http://www.aphelion-webzine.com/shorts/2008/08/Whe... http://www.solstation.com/stars2/55cnc2.htm http://starrymirror.com/5thplanetorbitingstar.htm http://www.ari.uni-heidelberg.de/datenbanken/aricn... http://www.lpl.arizona.edu/~rory/research/xsp/dyna... http://astro.berkeley.edu/~kalas/disksite/library/... http://www.berkeley.edu/news/media/releases/2004/0... http://adsabs.harvard.edu/abs/1995yCat.5050....0H http://adsabs.harvard.edu/abs/1997ApJ...474L.115B http://adsabs.harvard.edu/abs/1998Natur.395..775T
