[FRIAM] The WEBB seeing back to the first millennia

[Gillian Densmore]

Hmmm. Are we? I am skeptical it is. Ok so if it's not...how would we even
check? Gravity lensing and guesstimate?

On Wed, Dec 28, 2022, 10:18 AM Tom Johnson <tom at jtjohnson.com> wrote:

> 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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