THEORETICAL ASTRONOMY. 108 
Distance, Period of Revolution, and Eccentricity of the Planets. 
—e Mean the Sun. from a Kecentricity. | ™ Sidereal ral period in ear days and 
asthe | Wee ee z cae 
Mercury 4 82,000,000 — 6,580,000 87d 23h 15’ 46” 
Venus | 65,392,000 412,000 224 16 49 ‘i 
Earth 82,664,000 | 1,388,000 | 365 +) Se. LOMA 
Mars 125,956,000 11,740,000 ly 321 17 30 41 
Vesta 195,212,000 17,296,000 3/2229. L7 38 0 
Astrea . 212,864,000 18,716,000 | 4. 49 6 8 50 
Juno 220,672,000 56,400,000 4 1382 1 36 0 
Ceres 229,052,000 17,564,000 | 4° 223 17 38 0 
Pallas 229,192,000 55,468,000 | $225 * FS 0 
Jupiter E ‘ 430,084,000 | 20,732,000 PY 314 ..20 2 a 
Saturn . 788,516,000; 44,232,000 297. 166;..23 16.32 
Uranus. 1,185,692,000 200 73,892,000 84 Be 1D AL Se 
Neptune 25,524,000 | 1674 
Rotation, Light, Gravitation, Density, &c., of Planets. 
Planets | os ale sage Seer See 
Mercury 1.2025810 2.94 1.15 | 6.67 | 1d 0h 5 
Venus . 1.401847 0.92 0.91 1.91 | Oy 23:21 
Earth . 1.354936 1.00 1.00 | 1.00 | 0 23 56.1 
Wars... | 1.2680337 0.96 | 0.50 he 43 k.. -Oy cabiioen 
Jupiter. . 1.1054 | 0.24 ; 2.69 | 0.037 | 0° 9 555 
Saturn. . 1.8500 0.14 1.26 0.011 0 10 29.3 
Uranus. . | 1.17918 | 0.24 | 1.05 | 0.003 | 
Surfaces and Volumes of the Planets in Geographical Miles. 
Pianets, Surfaces in Square Miles. Volumes in Thousands of Cubic Miles. 
. Te 22,272,000 10,210,816 
ews 1. ei TR 144,048,000 163,373,248 
Earth, 148,512,000 170,180,672 
Mars, gens Cag | 40,096,000 23,825,280 
MCC np bowind:, iecci ve 148,500 832 
Juno, 2 | 4,448,000 850,880 
Ceres, 5,936,000 | 1,361,472 
Pallas, oe 10,400,000 | 2,893,056 
Jupiter, --ny ae ee oe 18,710,496,000 | 230,635,198,720 
Satur, PHP Pog 12,088,880,000 | 124,082,652,800 
Lineage svete ams. 2.802,416,000 13,954,799,360 
Sun, .. . . .. | 1,865,312,000,000 | 239,460,953,408,000 
in a 10,350,400 3,024,812 
° ET 
