Table 1A -- Size of Planets
| Planet | Diameter (in Miles) |
Diameter (in Kilometers) |
Diameter< Br>(if earth were 1 cm/inch) |
| Mercury | 3,032 | 4,878 | 0.38 (a little more than 1/3) |
| Venus | 7,523 | 12,104 | 0.95 (about like earth) |
| Earth | 7,928 | 12,756 | 1.00 |
| Mars | 4,218 | 6,787 | 0.53 (about 1/2 earth) |
| Jupiter | 88,863 | 142,980 | 11.2 |
| Saturn | 74,916 | 120,540 | 9.5 |
| Uranus | 31,771 | 51,120 | 4.0 |
| Neptune | 30,783 | 49,530 | 3.9 (about like Uranus) |
| Pluto | 1,430 | 2,300 | 0.18 (about 1/2 Mercury) |
TABLE A2 SIZE OF RINGS
| Planet | Diameter of Rings (Inner Edge) |
If Earth is 1 cm/inch (Outer Edge) |
| Jupiter | 9.6 | 10.1 |
| Saturn | 11.6 | 21.4 |
| Uranus | 6.6 | 8.1 |
| Neptune | 8.9 | 11.0 |
TABLE A3 DISTANCES OF THE PLANETS FROM THE SUN
| Planet | Miles | Kilometers | A.U. |
| Mercury | 35,985,000 | 57,900,000 | 0.39 |
| Venus | 67,247,000 | 108,200,000 | 0.72 |
| Earth | 92,977,000 | 149,600,000 | 1.00 |
| Mars | 141,641,000 | 227,900,000 | 1.52 |
| Jupiter | 483,717,000 | 778,300,000 | 5.20 |
| Saturn | 885,954,000 | 1,425,500,000 | 9.53 | Uranus | 1,788,129,000 | 2,877,100,000 | 19.23 |
| Neptune | 2,801,802,000 | 4,508,100,000 | 30.14 |
| Pluto | 3,701,057,000 | 5,955,000,000 | 39.81 |
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