Re: Hawking and distance of stars


<mccoy@xxxxxxxxxx> wrote in message
news:1137956266.939400.21120@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> It's interesting that Hawking states that the distance of distant
> galaxies could not be known at one time because of the lack of
> parallax. Yet, he claims that because the luminosity of nearby stars
> and that their parallax could be known, thereby the distance of distant
> galaxies could be known through their luminosity.
>
> The problem with this idea is that the parallax of nearby stars cannot
> be known.

As has been explained to you numerous times, the parallax of nearby stars is
easily calculated. See:

http://www.astronomy.com/ASY/CS/forums/274087/PrintPost.aspx
http://www.encyclopedia.com/html/p1/parallax.asp
http://abyss.uoregon.edu/~js/glossary/parallax.html

Even grade school science students can do this:
http://www.usc.edu/CSSF/History/2004/Projects/S1511.pdf#search='parallax%20calculation'


DJT

.

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