Question: Problem 4 Consider the information in the following table (note Pluto is included even though it has been downgraded from planetary status) MERCURY VENUS EARTH


Problem 4 Consider the information in the following table (note Pluto is included even though it has been downgraded from planetary status) MERCURY VENUS EARTH MARS JUPITER SATURN URANUS NEPTUNE PLUTO Mass (1024kg) 0.642 1898 0.0146 Diameter (km) 4879 12104 12756 6792 142984 120536 51118 49528 2370 Density (kg/m 3) 5427 5243 5514 3933 1326 687 1271 1638 2095 Gravity (m/sA 2) 3.7 8.9 9.8 3.7 23.1 9 8.7 11 0.7 43 10.4 11.2 5 59.5 35.5 21.3 23.5 1.3 Escape Velocity (km/s) 1407.6 -5832.5 23.9 24.6 9.9 10.7 -17.2 16.1 -153.3 Rotation Period(hours) Length of Day (hours) 4222.6 2802 24 24.7 9.9 10.7 17.2 16.1 153.3 Distance from Sun(106km) 57.9 108.2 149.6 227.9 778.6 1433.5 2872.5 4495.1 5906.4 46 107.5 147.1 206.6 7405 1352.6 2741.3 4444.5 4436.8 Perihelion (106km). Aphelion (106km) 69.8 108.9 152.1 249.2 816.6 1514.5 3003.6 4545.7 7375.9 88 224.7 365.2 687 4331 10747 30589 59800 90560 Orbital Period(days) orbital velocity (km/s) orbital Inclination (degrees) 7 3.4 o 1.9 1.3 2.5 0.8 1.8 17.2 orbital Eccentricity 0.205 0.007 0.017 0.094 0.049 0.057 0.046 0.011 0.244 obliquity to orbit degrees) 0.01 177.4 23.4 25.2 3.1 26.7 97.8 28.3 122.5 464 15 -65 110 -140 -195 -200 -225 167 Mean Temperature(C) o 92 1 0.01 Unknown Unknown Unknown Unknown o Surface Pressure (bars) o 0 1 2 67 62 27 14 5 Number of Moons No No No No Yes Yes Yes Yes No Ring System? Yes No Yes No Yes Yes Yes Yes Unknown Global Magnetic Field? which is taken from http:/ssdc.gsfc.nasa.gov/planetary/factsheet/ The symbol A denotes to the power of 24 e.g. 10A24 means 10
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