This section is from the book "Scientific American Reference Book. A Manual for the Office, Household and Shop", by Albert A. Hopkins, A. Russell Bond. Also available from Amazon: Scientific American Reference Book.
Name. | Mean Distance from Earth in Millions of Miles. | Period of Revolution Round Sun | Time of Axial Rotation. | Real Diameter in Miles. | Volume | Density | ||
D. | H. | M. | ||||||
The Sun............. |
| 92.9 | 607 | 48 | 866,400 | 1,300,000 | 0.25 | |
Mercury.......... |
| 56.9 | 88 | *24 | 5½ | 3,030 | 0.056 | 0.85 (?) |
Venus................ |
| 25.7 | 225 | *23 | 21⅓ | 7,700 | 0.920 | 0.89 |
Earth................ |
| 365 | 23 | 56 | 7,918 | 1.000 | 1.00 | |
Mars............... |
| 48.6 | 687 | 24 | 37⅓ | 4,230 | 0.152 | 0.71 |
Jupiter............... |
| 390.4 | 4,333 | 9 | 55⅓ | 86,500 | 1,309 | 0.24 |
Saturn............... |
| 793.2 | 10,759 | 10 | 14½ | 73,000 | 760 | 0.13 |
Uranus.............. |
| 1,689.0 | 30,687 | 9 | 30(?) | 31,900 | 59 | 0.22 |
Neptune............ |
| 2,698.8 | 60.181 | 34,800 | 85 | 0.20 | ||
 
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