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NOTES SHEET - The Planets! (Page 181) Object Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto Distance from Sun (km) 58 million 108 million 150 million 228 million 778 million 1.430 billion 2.870 billion 4.500 billion 5.913 billion Distance from Sun (AU) 0.39 0.72 1.0 1.5 5.2 9.5 19.2 30.0 39.5 Diameter (km) 4878 12102 12756 6794 142796 120660 51200 49500 2278 Mass (kg) Composition 3.3 * 1023 4.9 * 1024 6.0 * 1024 6.4 * 1023 1.9 * 1027 5.7 * 1026 8.7 * 1025 1.0 * 1026 1.3 * 1022 Rock Rock Rock Gas Gas Gas Gas Rock Number of Moons Names of Moons Length of Day 0 0 1 Rock (Red from iron) 2 67 and thin rings 62 and thick rings 27 and thin rings 13 and thin rings 3 NA NA Moon Phobos, Deimos Titan Titania, Oberon Triton Charon 59 days 243 days 1 day 24 hrs 24.6 hrs Io, Europa, Ganymede, Callisto 10 hrs 10.7 hrs 17 hrs 16 hrs 6.4 days Length of Year 88 days 225 days 365 days 687 days 11.9 yrs 29.5 yrs 84 yrs 165 yrs 248 yrs Temperature Range Fun Facts -170 to 400°C 450 to 480°C -88 to 48°C -89 to -31°C -108 °C -139 °C -197 °C -201 °C -223 °C Day is Almost as Long as its Year Thick atmosphere makes it hot! Supports Life! Has H2O in polar icecaps Big Red Spot is a giant hurricane! Rings made of rocks and ice Axis is tilted on its side! Has a Great BLUE Spot Extremely eccentric orbit