In article ,
Yousuf Khan writes:
The actual preprint is at
What is says is that Baryon Acoustic Oscillations at z=2.3 are
consistent with concordance cosmology. In particular, something
like a cosmological constant (now referred to as "dark energy," of
which a cosmological constant is a specific form) is required.
The effect on our understanding -- admittedly poor -- of dark matter
seems to be entirely in the imagination of the Guardian author and
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