1. Solar System

2. Mercury Size- 4878 km in diameter Density-.055 density of Earth
Atmosphere-helium, oxygen, hydrogen
Distance from sun- 36 million miles
Moons/Rings- None
Surface Comp.- rocky
Orbital Path- 88 Earth Days

3. Venus Size- 12,400 km Density-0.86density of Earth
Atmosphere-carbon dioxide, sulfuric acid
Distance from sun- 67 million miles
Moons/Rings- none
Surface Comp.- rocky
Orbital Path- 225 Earth Days

4. Earth Size- 12,756 km in diameter Density-1 Earth
Atmosphere-oxygen, hydrogen
Distance from sun- 91 million miles
Moons/Rings- 1 moon
Surface Comp.- rocky with water
Orbital Path- 365 Earth Days

5. Mars Size- 6794 km in diameter Density-.11 density of Earth
Atmosphere-nitrogen, carbon dioxide
Distance from sun- 142million miles
Moons/Rings- 2 moons
Surface Comp.- rocky with iron ore dust
Orbital Path- 687 Earth Days

6. Jupiter Size- 170,000 km in diameter Density-318x density of Earth
Atmosphere-helium, hydrogen
Distance from sun million miles
Moons/Rings- 63 moons
Surface Comp.- gas
Orbital Path- 12 years

7. Saturn Size- 120,535 km in diameter Density-95x density of Earth
Atmosphere-helium, hydrogen
Distance from sun- 889 million miles
Moons/Rings- 56 moons/ 1,000 rings
Surface Comp.- gas
Orbital Path- 30 years

8. Uranus Size- 50,826 km in diameter Density-14.1x density of Earth
Atmosphere-helium, hydrogen, methane
Distance from sun- 1 billion 790 million miles
Moons/Rings- 27 moons/ 9 rings
Surface Comp.- gas
Orbital Path- 84 years

9. Neptune Size- 49,528 km in diameter Density-17.2x density of Earth
Atmosphere-helium, hydrogen, methane
Distance from sun- 2 billion 800million miles
Moons/Rings- 13 moons/ 2 rings
Surface Comp.-gas
Orbital Path- 165 years