Hubble is in space to easily avoid turbulence, it's outside most of the
atmosphere. Pointing it to Earth would show blur images.

2012/6/4 Terry Blanton <[email protected]>

> On Mon, Jun 4, 2012 at 9:02 PM, Jed Rothwell <[email protected]>
> wrote:
> > Terry Blanton <[email protected]> wrote:
> >
> >>
> >> Yes, Hubble is a deep space telescope.  No comparison.
> >
> >
> > NASA says they can use 'em for a wide angle application.
>
> I'm sure.  But "wide" is a relative term.
>
> "According to the Space Telescope Science Institute, the Hubble Ultra
> Deep Field has an angular size of 11.5 square arcminutes. That means
> that it would take 12,913,983 Deep Field images to cover the entire
> sphere of the sky!"
>
> http://curious.astro.cornell.edu/question.php?number=720
>
> If it could focus on the Earth, it could count your pubic hairs.  ;-)
>
> T
>
>


-- 
Daniel Rocha - RJ
[email protected]

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