[FoRK] Astronomy units question

Joe Barrera joe at barrera.org
Thu Apr 14 13:09:13 PDT 2005


Eugen Leitl wrote:

>  On Thu, Apr 14, 2005 at 12:49:35PM -0700, Joe Barrera wrote:
>
> > What units are they using in this article?
> >
> > http://www.spaceref.com/news/viewsr.html?pid=16144
> >
> > The radius of the disk is at least 43" (330 AU), 70" (543 AU), and
> > 105" (815 AU) in extent at 24, 70 and 160 um, respectively.
> >
> > 815 AU is 112 light-hours, according to google,
>
>  AU is astronomical units, I presume

I know what an AU is!!!!

(sorry)

I'm asking what the " is supposed to represent.

It sure isn't inches.

- Joe



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