Giant galaxy is still growing

25 junio 2015

The giant elliptical galaxy Messier 87 has swallowed an entire medium-sized galaxy over the last billion years. For the first time a team of astronomers has been able to track the motions of 300 glowing planetary nebulae to find clear evidence of this event and also found evidence of excess light coming from the remains of the totally disrupted victim.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0dr3lTvRjuk/150625080930.htm

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