3. The Sun 108 times the radius of Earth Mostly Hydrogen and Helium Largest and brightest object Its gravity controls all the planets http://curious.astro.cornell.edu/sun.php
4. Mercury 1/3 of Earth’s diameter Made of metal and rock Has 0 moons The surface of Mercury is similar to the moon No atmosphere or water
5. Venus .95 times the radius of Earth Made of Metal and Rock Has 0 moons Run away Green House effect (tons of carbon dioxide) Thick atmosphere that can’t be seen through Earth’s twin http://www.tivas.org.uk/solsys/tas_solsys_venus.html
6. Earth Made of Metal and Rock Has 1 moon The moon is ¼ the size of Earth Liquid water exists http://blisstree.com/live/earth-week-2010-blisstree-looks-back-with-our-top-25-list/
7. Mars .53 the radius of Earth Made of metal and rock Red in color due to rust Has 2 very small moons No liquid water Atmosphere is too thin to live http://astrobiology.nasa.gov/nai/seminars/detail/34
8. Jupiter Biggest planet 11.2 the radius of Earth Mostly Hydrogen and Helium Has over 63 moons Has a ring (collection of space rock) http://b4tea.com/information/jupiter-facts-and-information-interesting-facts-about-planet-jupiter
9. Saturn 9.4 the radius of Earth Made of hydrogen and helium Has at least 50 moons Has a ring http://www.johnstonsarchive.net/astro/gallery-4.html
10. Uranus 4 times the radius of Earth At least 27 moons Hydrogen and Helium Has a ring Has a sideways axis http://starryskies.com/solar_system/uranus/uranus.html
11. Neptune 3.9 times the radius of Earth Made mostly of hydrogen and helium Has 13 moons Its largest moon has geysers Uranus’ twin http://moorrowyear3and4.blogspot.com/
12. Dwarf Planets Pluto- .18 radius of Earth Eris Located in the Kuiper Belt Made of ices and rock Hard to study due to the large distances from earth http://www.worldinterestingfacts.com/nature/top-9-most-extreme-weather-conditions-in-our-solar-system.html
13. Terrestrial Planets Include Mercury, Venus, Earth and Mars Small mass and size Close to the Sun Made of metal and rock Few moons No rings
14. Jovian Planets Includes Jupiter, Saturn, Uranus, and Neptune Large mass Made of Hydrogen and Helium Far from the Sun Many moons All have rings
15. Conclusion There are 8 planets in our solar system The planets are divided into 2 groups Terrestrial Jovian There are 2 dwarf planets Pluto Eris The Sun is the center of the Solar System and controls all the planets with it’s gravity
16. Work Cited Solar System Picture http://www.nisd.net/oakhillsterrace/Links/3RD/solarsystem/solarsystem.htm Bennett, Jeffery, Megan Donahue, Nicholas Schneider, and Mark Voit. The Essential Cosmic Perspective. fifth ed. San Francisco: Pearson Education, 2009. Print.
