News

Messier 87 has swallowed an entire galaxy in the last billion years

26 June 2015 Astronomy Now

M87 is a giant elliptical galaxy with a total mass more than a million million times that of the Sun that lies at the centre of the Virgo Cluster about 50 million light-years away. New observations with the European Southern Observatory’s Very Large Telescope have revealed the full extent of the galaxy’s cannibalistic nature.