1. Produced by: Calvin J. Hamilton Rotates one and a half times during each orbit; It is pocked with craters, contains hugh multi-ring basins, and many lava flows Rotational period (days) 58.646 2 Orbital period (days)87.969 Mean orbital velocity (km/sec) 47.88 Mean surface temperature179°C Maximum surface temperature 427°C Minimum surface temperature -173°C Atmospheric composition: Helium Sodium Oxygen Other 42% 42% 15% 1% Mass (kg) 3.303e +23 Equatorial radius (km) 2,439. 7 Mean density (gm/cm 3 )5.42 Equatorial surface gravity (m/sec 2 ) 2.78 Equatorial escape velocity (km/sec) 4.25 Mercury: Messenger of Gods and God of commerce

2. Produced by: Calvin J. Hamilton Rotational period (days)-243.0187 Orbital period (days)224.701 Mean orbital velocity (km/sec)35.02 Mean surface temperature482°C Atmospheric composition : Carbon dioxide Nitrogen Trace amounts of: Sulfur dioxide, water vapor, carbon monoxide, argon, helium, neon, hydrogen chloride, and hydrogen fluoride. 96% 3+ Most brilliant planet; topography consists of vast plains covered by lava flows and mountain or highland regions deformed by geological activity. Mass (kg)4.869e+24 Equatorial radius (km)6,051.8 Mean density (gm/cm 3 )5.25 Equatorial surface gravity (m/sec 2 )8.87 Equatorial escape velocity (km/sec)10.36 Atmospheric pressure (bars)92 Venus: Goddess of the love; the jewel of the sky

3. Rotational period (days)0.99727 Rotational period (hours)23.9345 Orbital period (days)365.256 Mean orbital velocity (km/sec)29.79 Mean surface temperature15°C Atmospheric composition Nitrogen Oxygen Other 77% 21% 2% Mass (kg)5.976e+24 Equatorial radius (km)6,378.14 Mean density (gm/cm 3 )5.515 Equatorial escape velocity (km/sec)11.18 Equatorial surface gravity (m/sec 2 )9.78 Atmospheric pressure (bars)1.013 Earth: Its name comes from Gaïa;

4. Produced by: Calvin J. Hamilton Surface containing many craters and naturally occurring channels; Rotational period (hours)24.6229 Rotational period (days)1.025957 Orbital period (days)686.98 Mean orbital velocity (km/sec)24.13 Minimum surface temperature-140°C Mean surface temperature-63°C Maximum surface temperature20°C Atmospheric composition Carbon Dioxide (C0 2 ) Nitrogen (N 2 ) Argon (Ar) Oxygen (O 2 ) Carbon Monoxide (CO) Water (H 2 O) Neon (Ne) Krypton (Kr) Xenon (Xe) Ozone (O 3 ) 95.32% 2.7% 1.6% 0.13% 0.07% 0.03% 0.00025% 0.00003% 0.000008% Mass (kg) 6.421e+2 3 Equatorial radius (km)3,397.2 Mean density (gm/cm 3 )3.94 Equatorial surface gravity (m/sec 2 ) 3.72 Equatorial escape velocity (km/sec) 5.02 Atmospheric pressure (bars)0.007 Mars: God of war; Red Planet

5. Another 12 satellites have been recently discovered. Rotational period (days)0.41354 Orbital period (days)4332.71 Mean orbital velocity (km/sec)13.07 Mean cloud temperature-121°C Atmospheric composition Hydrogen Helium 90% 10% Mass (kg) 1.900e+2 7 Equatorial radius (km)71,492 Mean density (gm/cm 3 )1.33 Equatorial surface gravity (m/sec 2 ) 22.88 Equatorial escape velocity (km/sec) 59.56 Atmospheric pressure (bars)0.7 Jupiter: God of the sky, lightning and thunder; largest one in the solar system; Another 12 satellites have been recently discovered. There is a ring system, but it is very faint

6. Has, at least, 30 named satellites. Rotational period (hours)10.233 Orbital period (years)29.458 Mean orbital velocity (km/sec)9.67 Mean cloud temperature-125°C Atmospheric composition Hydrogen Helium 97% 3% Mass (kg) 5.688e+2 6 Equatorial radius (km)60,268 Mean density (gm/cm 3 )0.69 Equatorial surface gravity (m/sec 2 ) 9.05 Equatorial escape velocity (km/sec) 35.49 Atmospheric pressure (bars)1.4 Saturn: God of time (Greek name Kronos); The rings are split into a number of different parts, which include the bright A and B rings and a fainter C ring. The ring system has various gaps. The ring composition is not known for certain, but the rings do show a significant amount of water

7. Produced by: Calvin J. Hamilton Blue-green color Discovered by William Herschel Date of discovery1781 Rotational period (hours)-17.9 Orbital period (years)84.01 Mean orbital velocity (km/sec) 6.81 Mean cloud temperature-193°C Atmospheric composition Hydrogen Helium Methane 83% 15% 2% Mass (kg) 8.686e+ 25 Equatorial radius (km)25,559 Mean density (gm/cm 3 )1.29 Equatorial surface gravity (m/sec 2 ) 7.77 Equatorial escape velocity (km/sec) 21.30 Atmospheric pressure (bars)1.2 Uranus: First God of Universe; eleven rings and ringlets were discovered and there may be a large number of narrow rings, or possibly incomplete rings or ring arcs, as small as 50 meters (160 feet) in width.

8. It has eight moons Discovered by Johann Gotfried Galle Date of discoverySeptember 23, 1846 Rotational period (hours)16.11 Orbital period (years)164.79 Mean orbital velocity (km/sec) 5.45 Mean cloud temperature-193 to -153°C Atmospheric composition Hydrogen Helium Methane 85% 13% 2% Mass (kg)1.024e+26 Equatorial radius (km)24,746 Mean density (gm/cm 3 )1.64 Equatorial surface gravity (m/sec 2 )11.0 Equatorial escape velocity (km/sec)23.50 Atmospheric pressure (bars)1-3 Neptune: God of sea; has a set of four rings which are narrow and very faint

9. Have one satellite “Charon”; it is closer to the sun than other planet for 20 years out of its 249 year orbit; is colder than 70 Kelvin. Discovered byClyde W. Tombaugh Date of discoveryFebruary 18, 1930 Rotational period (days)-6.3872 Orbital period (years)248.54 Mean orbital velocity (km/sec)4.74 Atmospheric composition Methane Nitrogen traces of carbon monoxide 98% 0.3% Mass (kg)1.27e+22 Equatorial radius (km)1,137 Mean density (gm/cm 3 )2.05 Equatorial surface gravity (m/sec 2 ) 0.4 Equatorial escape velocity (km/sec) 1.22 Pluto: God of the hells; has a highly reflective south polar cap, a dimmer north polar cap, and both bright and dark features in the equatorial region