Talk:V404 Cygni

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This article is wrong.[edit]

V404 Cygni may have been shown to be a system containing a compact mass, there is no strong evidence that indicates the only possible interpretation is that it contains a black hole. The article itself admits the possibility that the compact object is a quark star, yet states as uncontested fact that a stellar sized black hole exists here. I challenge this as speculation.216.96.79.164 (talk) 21:03, 12 January 2014 (UTC)


Spike in activity[edit]

http://www.esa.int/Our_Activities/Space_Science/Integral/Monster_black_hole_wakes_up_after_26_years

©Geni (talk) 17:32, 25 June 2015 (UTC)