The Joe Rogan Experience
#2217 - Brian Cox
Brian Cox
I don't know. It says there that we don't know. So I'm going to go with that. I mean, I think just speed reading that. It says a class of galaxies that... So I suppose we're looking at a kind of galaxy. It seems we're looking at a kind of galaxy that we don't see today in the universe. Red and compact, visible only during about one billion years of cosmic history.
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