[FRIAM] The WEBB seeing back to the first millennia

[Tom Johnson]

Ah, but are we sure the expansion IS uniform?

=======================
Tom Johnson
Inst. for Analytic Journalism
Santa Fe, New Mexico
505-577-6482
=======================

On Wed, Dec 28, 2022, 10:01 AM Gillian Densmore <gil.densmore at gmail.com>
wrote:

> AH! egad, that's so large and far away I can almost get my head around it.
> lol no wonder we want infra-red. that's practically going backwards by then
>
> On Wed, Dec 28, 2022 at 10:57 AM Roger Frye <frye.roger at gmail.com> wrote:
>
>> They are shifted so far to the red that when they reach us, they are stop
>> lights.
>>
>> On Wed, Dec 28, 2022 at 9:42 AM Gillian Densmore <gil.densmore at gmail.com>
>> wrote:
>>
>>> Same Q! My guess is what they meen is that stuff is reely far away so
>>> it'd be like looking at events that had happened but we can catchup to the
>>> show because of distance somehow due to lag essentially. Someone that knows
>>> more about this then I do hopefully has a much more concrete answer. Fwiw
>>> it's the kind of things that keeps NDGT ( Niel DeGrasse Tyson) up lol
>>>
>>> On Wed, Dec 28, 2022 at 10:21 AM Owen Densmore <owen at backspaces.net>
>>> wrote:
>>>
>>>> In aj NYTimes article:
>>>> https://www.nytimes.com/2022/12/27/science/astronomy-webb-telescope.html
>>>> ..there is the usual discussion on "seeing back to the first several
>>>> millennia".
>>>>
>>>> But, and be kind, why haven't these photons already sped past us? I
>>>> suppose it is because the exanssion is uniformly everywhere, we just kept
>>>> ahead of them? That seems unlikely given the expansion is slower than light.
>>>>
>>>>     -- Owen
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