Solar System Demo: Scale Sizes

Distance Scale

Object	True Distance (million km)	Distance Relative to Earth's Distance	Distance Scale Size (m)
Sun	0	0	0
Mercury	58	0.39	0.58
Venus	108	0.72	1.08
Earth	150	1.00	1.50
Mars	228	1.52	2.28
Asteroid Belt	400	2.67	4.00
Jupiter	778	5.20	7.78
Saturn	1427	9.54	14.27
Uranus	2871	19.19	28.71
Neptune	4497	30.06	44.97
Pluto	5914	39.53	59.14

Diameter Scale

Object	Diameter (km)	Number to equal diameter of the Sun	Diameter relative to Earth	Scale Diameter (cm)
Sun	1,390,000	1	109.81	249.92
Mercury	4,878	285	0.39	0.87
Venus	12,102	115	.96	2.15
Earth	12,658	110	1.00	2.25
Mars	6,786	205	.054	1.21
Jupiter	142,984	10	11.30	25.40
Saturn	120,536	12	9.52	21.41
Uranus	51,180	27	4.04	9.09
Neptune	49,528	39	.391	8.80
Pluto	2,300	606	.018	0.41