Comparisons
From Urantia Wiki, the encyclopedia of The Urantia Book
Also: comparative.
There is the same relative distance, in comparison with actual size, between the atomic nucleus and the inner electronic circuit as exists between the inner planet, Mercury, and your sun. 42:7.2
If the mass of an electron were 2.8 grams, the volume of that electron would be as large as that of the Earth. If the volume of a proton were like the head of a pin, the head of a pin would have a diameter equal to that of the Earth's orbit around the Sun. 42:6.8
stars have just as much comparative elbow room in space as one dozen oranges would have if they were circulating about throughout the interior of Urantia, and were the planet a hollow globe. 41:3.2
Some of the reddish have acquired a density at their center that one cubic inch of such a star, if on Urantia, would weigh six thousand pounds. 41:3.6