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From: guskz on 18 May 2010 09:57
http://en.wikipedia.org/wiki/File:Inverse_square_law.svg

At "one" instance of the Universe Expansion, let say the light beam
(also particles) expands by 2 units as the distance (space) of the
beam from the observer expands by 1000 units (redshift).

***BUT only 1 of the 2 units above expands toward the observer, the
other 1 unit expands toward the source(the star). As opposed the beam
expands by 2 units both width & height wise (the square in the picture
link above).

If the beam was to adhere to the inverse-square law, the beam would
only expand, width & height wise, by the distance(r +1 unit) traveled
toward the observer, *** BUT instead the beam (the square in the
picture) expands by "r+2 units".

Therefore, the farther the beam has to travel the more it's
**BRIGHTNESS** diminishes un-proportionally with the distance it has
to travel towards it's observer (The more the beam expands the more
the brightness diminishes, B= Luminosity /distance^2).

This causes the observer (HUBBLE) to FALSELY believe the Universe is
expanding at an accelerated rate.
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