Liên quan Messier 87 Messier 102 Messier 4 Messier 5 Messier 77 Messier 15 Messier 110 Messier 106 Messier 95 Messier 52
Tài liệu tham khảo WikiPedia: Messier 2 http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... http://venus.mporzio.astro.it/~marco/gc/cluster_4.... //arxiv.org/abs/1008.2755 //arxiv.org/abs/1108.4402 //arxiv.org/abs/1804.09381 //doi.org/10.1051%2F0004-6361%2F201832698 //doi.org/10.1088%2F0004-6256%2F140%2F6%2F1830 //doi.org/10.1088%2F0004-637X%2F742%2F1%2F51 http://www.seds.org/messier/Mdes/dm002.html http://www.seds.org/messier/m/m002.html
