[ale] A picture is worth a thousand questions

[Robert L. Harris]

Have you guys looked at NASA's world Wind?

http://worldwind.arc.nasa.gov/

It's also alot of fun to play with.

Thus spake Jonathan Rickman (jrickman at gmail.com):

> I don't know the answers to your specific questions, but I can
> enlighten you as to the source of most of the detailed photos. The
> detailed photos are not satelite imagery. At some point as you zoom in
> the photos transition to aerial photos taken some time in 2004. If you
> want to see the limits of satalite imagery (at least commercial) have
> a look at the overheads from a non metro area. You should check out
> the keyhole app that all of this is derived from. It reveals the
> source of the imagery. It's also more fun to play with. Windows only
> though. :-(
> 
> --
> Jonathan
> 
> On 5/14/05, Jim Popovitch <jimpop at yahoo.com> wrote:
> > While gmap'ing over the ATL airport yesterday I noticed that you can see
> > 3 planes in position over runway 8R (northside takeoff).  If you click
> > the URL below you will see one plane that has just departed.  If you
> > navigate to the left you will see one plane that has just left the
> > concrete, and move further to the left you will see one plane beginning
> > it's take-off roll.  Clearly this would be an FAA violation.  So, since
> > all three planes look identical in the pictures, it is safe to assume
> > they are all the same plane.
> > 
> > So a few questions to ponder:
> > 
> >  -Is it safe to assume the camera is moving west to east?
> > 
> >  -Take off speed would be about 150 mph (Sega Airlines ;-) so
> >     how fast is the camera moving?
> > 
> > -The satellite image captures frames as it passes over earth,
> >     why does it not show 2 slow moving planes/objects on top of
> >     each other?  (see cars/trucks on nearby expressways)
> > 
> > http://maps.google.com/maps?ll=33.647346,-84.401629&spn=0.007221,0.006866&t=k
> > 
> > -Jim P.
> > 
> > _______________________________________________
> > Ale mailing list
> > Ale at ale.org
> > http://www.ale.org/mailman/listinfo/ale
> >
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://www.ale.org/mailman/listinfo/ale

:wq!
---------------------------------------------------------------------------
Robert L. Harris                     | GPG Key ID: E344DA3B
                                         @ x-hkp://pgp.mit.edu
DISCLAIMER:
      These are MY OPINIONS             With Dreams To Be A King,
       ALONE.  I speak for              First One Should Be A Man
       no-one else.                       - Manowar

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature