Ohhh that's how retrograde works.
http://www.gunn.co.nz/astrotour/?data=tours/retrograde.xml/
More http://www.lasalle.edu/~smithsc/Astronomy/retrograd.html
And more. http://www.youtube.com/watch?v=JWVshkVF0SY
http://www.gunn.co.nz/astrotour/?data=tours/retrograde.xml/
More http://www.lasalle.edu/~smithsc/Astronomy/retrograd.html
And more. http://www.youtube.com/watch?v=JWVshkVF0SY