Messier 60: Difference between revisions

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* At the center of M60 is a black hole of 4.5 billion solar masses, one of the largest ever found.<ref>[http://en.wikipedia.org/wiki/Messier_60 Messier 60]</ref>
* At the center of M60 is a black hole of 4.5 billion solar masses, one of the largest ever found.<ref>[http://en.wikipedia.org/wiki/Messier_60 Messier 60]</ref>


==HGS Session References==  
==HGS Session References==