Conjecture on Baez's 'Quasar without a host galaxy'

In article .com,
Robin Whittle writes:
A plasma-redshift explanation for the cosmological redshift
only needs to produce about one part in 14 billion per year
travelling through the inter-cluster medium.

As Ned Wright explains in his cosmology tutorial, such a theory also
has to explain why the radiation loses momentum in the "forward"
direction but not in any transverse direction. If momentum loss were
anything like isotropic, distant objects would be blurred by the
intervening medium. One might expect of order a radian of blurring
at redshift 1, but of course the observed upper limit on blurring is
something like five orders of magnitude smaller.

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Steve Willner Phone 617-495-7123
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