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THE SUN AND OUR SOLAR SYSTEM By: Larissa Petzoldt Fall 2011

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What is the Sun? A Star orbited by Earth A hydrogen Sphere 1.4 million km in diameter The Center of the Solar System

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What is the Sun Made of? Element one Hydrogen 74% Element two Helium 24% Element three A Mix 2% of: Iron Nickel Oxygen

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Layers of the Sun Inside Out First layer Core Second layer Radiation Zone Third Layer Convection zone Fourth layer Photosphere Apparent Surface Fifth layer Chromosphere Sixth layer Corona Rays

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Temperature, Size, and Facts The sun is about 5800 K Not the hottest star Temp 1.4 Km in Diameter 109 times the size of the Earth You could fit 1.3 million Earths inside the sun Size Becoming 10% more luminous every billion years Light takes about 8 mins to reach Earth Facts

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We have the Right Kind of Sun! We have Light Gives us Energy Gives us Heat Without The Sun: Everything would be dark We would have no Energy The Earth would Freeze Life on Earth Would NOT Exist!! Because We Have the Sun...What if we did NOT have the sun?

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The solar system has: 8 planets, 4 dwarf planets, moons, asteroids, comets, and is at least 4.6 billion years old. Our Solar System

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Two Groups of Planets Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune InnerOuter *The Asteroid Belt is what separates the two groups*

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Inner Planets Mercury Closest to the sun Year = 88days Diameter = 4878km No Atmosphere Venus Year = 224.68 days Diameter = 12104km Earth Our Planet Year = 365 days Diameter = 12, 713.5 km Mars Year = 686.95 days Diameter = 6796 km Huge volcano, craters, and canyons

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Outer Planets Jupiter Year = 11.87 earth years Diameter = 142,900 km Very large moons Great red spot Gas planet Saturn Year = 29.46 earth years Diameter = 129,660 km Has the largest moon- Titan Uranus Year = 84.01 earth years Diameter = 51,118 km No internal heat source Ne ptune Year = 164.8 earth years Diameter = 49,500 km Great dark spot

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Other Things in Solar System Dwarf Planets Pluto Haumea Ceres Makemake Eris Satellites (or moons) Small body Orbiting a larger body Our satellite is 384,000 km away Asteroids Rocky or metallic interplanetary body Larger than 100m in diameter Comets Ice-rich interplanetary bodies that orbit the sun Dry, methane

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References http://www.universetoday.com/17982/10- interesting-facts-about-the-sun/ Dr. Kennon (Science for Teachers Class)