Anonymous

If you lived in LA, that would put the Andromeda galaxy about where New York is. Just the sun would be over 35 feet away,

Anonymous

The angular size of the Earth viewed from distance of 20bilion light years would be in the order of Planck size dimensions.

Anonymous

First find a really huge place to put said scale model. i.e. you couldn't do it.

Anonymous

This doesn't directly answer your question, but may help you put the problem into perspective: http://joshworth.com/dev/pixelspace/pixe... . .