On Wednesday, December 27, 2017 at 8:57:46 PM UTC, Brent wrote: > > Even as the universe expands there will still be a part of it which was > close enough to us (in the distant past) that it is still within our > visible universe. > > Brent >
CMIIAW, but our galaxy formed a long time AFTER the time of recombination, so it's not obvious why the CMB doesn't wink out like the distant galaxies which are not in our vicinity, like Andromeda. AG > > On 12/27/2017 12:17 PM, [email protected] <javascript:> wrote: > > Since galaxies were formed after the CMB came into existence about 380,000 > years after the BB, and those far away will wink out as they cross the > cosmic horizon, why doesn't the CMB also wink out? I know the latter is > reddening as the cosmos expands, and is ubiquitous, but when the question > was posed to me last night at a meeting in Pasadena with former JPL > colleagues, I didn't have a good answer. TIA, AG > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > To post to this group, send email to [email protected] > <javascript:>. > Visit this group at https://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/d/optout. > > > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
