On Fri, Dec 21, 2018 at 10:01 PM Brent Meeker <[email protected]> wrote:
> > > On 12/21/2018 5:43 PM, Jason Resch wrote: > > > > On Fri, Dec 21, 2018 at 12:46 PM Brent Meeker <[email protected]> > wrote: > >> >> >> On 12/20/2018 9:09 PM, Jason Resch wrote: >> > I am not advocating any global reference frame, just mentioning that >> > for a particular observe, they can define a present that works for >> > them (in their own reference frame). From their point of view they can >> > consider themselves at rest (whether they are or are not). >> >> They can define it in words, but can they define it physically. >> >> > What is wrong with using the 3-d hyperspace perpendicular to their > direction through spacetime? > > > That's words. How shall they determine whether event X in distant galaxy > Y is simultaneous with their clock reading Z? Is their "direction through > spacetime" constant over billions of years? > If the event occurred N-light years away, and light from that event arrives in N-years, then it can be considered simultaneous with the observer. If their direction through spacetime changes, they must change their interpretation of what constitutes the present. Jason -- 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.
