ALMA sees very far. And at z=4.31, just 1.4 Gy after the supposed
"bang"... it sees a galaxy cluster the mass of the coma cluster...
Interesting read that article.
Now, wait a minute. If that huge concentration of mass existed 1.4Gy
after the "beginning" we should see an object in the CMB isn't it?
If we take the CMB measurements of the Planck satellite, at that
particular point in our horizon we should see this object.
. And this forming cluster, that
was already a heavyweight at that time, must be a gargantuan object now.
Until a lot of more observations are done, nobody can say
with any satatistical relevance that "the universe" and galaxies were "younger" at that time.
a CLUSTER of [galaxies]... with an incredible mass.
Did you miss Fig 2 (right panel) in the paper? The mass is
consistent with model expectations.
how can you make a cluster of this mass in only 1.2Gy?
So the models do not fit at all for the left panel.
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