TABLE IX.--DIMENSIONS OF THE NINE NEBULÆ, WITH THEIR DIAMETERS AND REGIONS OF GREATEST DENSITY COMPARED WITH THE DIAMETERS OF THE ORBITS OF THE PLANETS FORMED FROM THEM. ----------+--------------+---------------------------+ | Nebula. |Region of greatest Density.| | | | Name of |--------------+-------------+-------------+ Planet. |Outer Diameter| Diameter | Radius | | in Miles. | in Miles. | in Miles. | ----------+--------------+-------------+-------------+ | | | | Neptune | 6,600,000,000|5,238,332,000|2,619,166,000| | | | | Uranus | 4,580,000,000|3,635,146,000|1,817,573,000| | | | | Saturn | 2,672,000,000|2,120,766,400|1,060,383,200| | | | | Jupiter | 1,370,800,000|1,088,003,960| 544,001,480| | | | | Asteroids | 744,000,000| 590,512,800| 295,256,400| | | | | Mars | 402,000,000| 319,067,400| 159,533,700| | | | | Earth | 234,620,000| 186,217,894| 93,103,947| | | | | Venus | 160,210,000| 127,158,677| 63,579,339| | | | | Mercury | 103,230,000| 81,933,651| 40,966,825| +------------------------------------------+ | Had the position of Neptune been normal, | | the above data for him and Uranus would | | have been as under. More or less. | +------------------------------------------+ Neptune | 8,299,786,830|6,587,540,800|3,293,270,000| | | | | Uranus | 5,144,439,613|4,083,042,000|2,041,521,000| ----------+--------------+-------------+-------------+ ---------+---------------------------+------------------------------+ | Orbit of Planet. | Region of greatest Density | | | compared with Orbit. | Name of |-------------+-------------+-----------+-----------+------+ Planet. | Diameter | Radius | Within, | Without, | Per | | in Miles. | in Miles. | (Miles.) | (Miles.) | cent.| ---------+-------------+-------------+-----------+-----------+------+ | | | | | | Neptune |5,588,000,000|2,794,000,000|174,734,000| | 6·26| | | | | | | Uranus |3,566,766,000|1,783,383,000| | 34,190,000| 1·92| | | | | | | Saturn |1,773,558,000| 886,779,000| |173,604,200| 19·58| | | | | | | Jupiter | 967,356,000| 483,678,000| | 60,323,480| 12·47| | | | | | | Asteroids| 520,600,000| 260,000,000| | 35,256,400| 13·56| | | | | | | Mars | 283,300,000| 141,650,000| | 17,883,700| 12·63| | | | | | | Earth | 185,930,000| 92,965,000| | 138,947| 0·15| | | | | | | Venus | 134,490,000| 67,245,000| 3,665,660| | 5·45| | | | | | | Mercury | 71,974,000| 35,987,000| | 4,979,825| 13·84| +----------------------------------------------------------+ |Had the position of Neptune been normal, the above data | |for him and Uranus would have been as under. More or less.| +----------------------------------------------------------+ Neptune |5,588,000,000|2,794,000,000| |499,270,000| 17·86| | | | | | | Uranus |3,566,766,000|1,783,383,000| |258,138,800| 14·48| ---------+-------------+-------------+-----------+-----------+------+