Thực đơn
NGC_4550Thực đơn
NGC_4550Liên quan
NGC 4550 NGC 4650A NGC 455 NGC 450 NGC 4501 NGC 4590Tài liệu tham khảo
WikiPedia: NGC_4550 http://www.deepskyvideos.com/videos/other/galaxy_N... http://nedwww.ipac.caltech.edu/ //arxiv.org/abs/0812.0178 //arxiv.org/abs/astro-ph/0106286 //arxiv.org/abs/astro-ph/0602297 //arxiv.org/abs/astro-ph/0702510 //doi.org/10.1051%2F0004-6361:20010860 //doi.org/10.1086%2F186460 //doi.org/10.1086%2F501350 //doi.org/10.1086%2F509598