Re: SR time dilation on remote objects ?

From: Marcel Luttgens (mluttgens_at_wanadoo.fr)
Date: 07/15/04 

Date: 15 Jul 2004 10:23:58 -0700

Bjoern Feuerbacher <feuerbac@thphys.uni-heidelberg.de> wrote in message news:<cd5gvg$a5l$1@news.urz.uni-heidelberg.de>...
> Marcel Luttgens wrote:
> > vonroach <hadrainc@earthlink.net> wrote in message news:<ufebf0l56q40ohpld6lostqejdlj0o5nvv@4ax.com>...
> >
>
> [snip]
>
> >>This is ambiguous: the rate of expansion of space? Or the rate of
> >>expansion of the supernova (which is collapsing, not expanding). The
> >>supernova is actually losing some mass in the collapse, and this
> >>should decrease the expansion of space surrounding it.
> >
> >
> > Collapse??? For instance, here is a short description of what happened
> > to a supernova:
> > "The first days of the *explosion* were accompanied by a burst of radio waves.
> > Its ultraviolet-light emissions declined rapidly, indicating a rapid cooling
> > of the *expanding* shell of ejected material."
>
> Just out of interest: where did you get this description from? About
> which supernova is it?
>

It is an old description of SN 1987A. I ignore where it comes from.

>
> [snip]
>
>
> Bye,
> Bjoern

Marcel Luttgens

Relevant Pages
Quantcast