SYNOPTICAL TABLES.
337
| Volume, | 1.000 |
| Mass (Sun's = 1), | 0.0000028173 |
| Density (water = 1), | 5.6747 |
| Diameter, mean, in miles, | 7916 |
| Diameter polar, in miles, | 7898 |
| Diameter equatorial, in miles, | 7924 |
| Circumference in miles, | 25,000 |
| In one second of time bodies fall, latitude of London, in feet, | 16.835 |
| Centrifugal force at equator (gravity = 1), | 0.00346 |
| Times rotation requires to be increased to neutralise gravity at equator, | 17 |
| Period of rotation in sidereal hours, | 24 |
| Length of a mean solar day in sidereal time, | 24h. 3m.- 56s..55 |
| Length of a sidereal day in mean solar time, | 23h. 56m. 4s.09 |
| Daily acceleration of sidereal time in mean solar time, | 3m. 55s..09 |
| Greatest difference between the mean and apparent solar time, | 16m. 16s. |
| Greatest height of mountains in miles, | 5 |
| Axis of the poles (axis of diameter of equator = 305), | 304 |
| Greatest depth of ocean in miles, | 9 |
| Mean distance from the Sun (Earth's radius = 1), | 23,984 |
| Mean distance from the Sun in miles, | 95,000,000 |
| Distance at perihelion (mean distance = 1), | .9832 |
| distance at aphelion (mean distance = 1), . | 1.0168 |
| Eccentricity (semi-major axis = 1), | 0.016783568 |
| Sidereal revolution in mean solar days. | 365d. 6h. 9m. 9s..6 |
| Anomalistic revolution in mean solar days. | 365d. 6h. 13m. 49s. |
| Tropical revolution in mean solar days, | 365d. 5h. 48m. 49s..7 |
| Interval between vernal and autumnal equinoxes, | 186d. 11h. 34m. |
| Interval between autumnal and vernal equinoxes, | 178d. 18h. 7m. |
