PART I.--SUN AND PLANETS.

+-------------+----------+-----------------------+-----------+ |Mean Distance|Equatorial|Volume in Cubic Miles. | Density. | Name. | from Sun |Diameter | |(Water = 1)| | in Miles. |in Miles. | | | --------+-------------+----------+-----------------------+-----------+ Sun | -- | 867,000 |341,237,637,800,000,000| 1·413 | Mercury | 35,987,000| 2,957 | 13,537,968,847| 6·850 | Venus | 67,245,000| 7,660 | 235,334,728,260| 4·810 | Earth | 92,965,000| 7,918 | 259,923,832,335| 5·660 | Mars | 141,650,000| 4,185 | 38,378,333,333| 4·188 | Supposed| | | | | planet| 260,300,000| -- | -- | -- | Jupiter | 483,678,000| 87,680 | 352,940,162,601,626| 1·358 | Saturn | 886,779,000| 73,713 | 209,716,183,575,000| 0·736 | Uranus |1,783,383,000| 33,563 | 19,796,209,090,910| 1·302 | Neptune |2,794,000,000| 36,620 | 25,713,106,508,876| 1·132 | --------+-------------+----------+-----------------------+-----------+ | Volume at Density of | Time of Revolution | Name. | Water in Cubic Miles. | round Sun in Days. | | | | --------+------------------------+-----------------------+ Sun | 482,169,000,000,000,000| -- | Mercury | 92,735,000,000| 87·9692 | Venus | 1,131,960,000,000| 224·7007 | Earth | 1,471,169,000,000| 365·2563 | Mars | 160,728,460,000| 686·9796 | Supposed| | | planet| 367,792,000,000| 1,714·1876 | Jupiter | 479,292,741,000,000| 4,332·2548 | Saturn | 154,351,000,000,000| 10,759·2198 | Uranus | 25,874,664,000,000| 30,688·5076 | Neptune | 29,107,237,000,000| 60,186·6385 | --------+------------------------+-----------------------+