Talk:Brightest cluster galaxy

A fact from Brightest cluster galaxy appeared on Wikipedia's Main Page in the Did you know column on 4 April 2007. The text of the entry was as follows:

Did you know... that giant diffuse galaxies, located in the centre of galaxy clusters (pictured), often possess a halo of devoured star matter extending as far out as 3 million light years?

A record of the entry may be seen at Wikipedia:Recent additions/2007/April.

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Physics: Relativity Mid‑importance

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University of Durham

For those who may read this article from University of Durham, the current article is original material written by Dominic Renshaw, UoD 2006.

Caution surely wrong?

The photo caption says that galaxy Abell S740 is mass "100 billion suns", which is only the mass of our puny galaxy Fig (talk) 22:38, 27 August 2015 (UTC)[reply]