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The Sun!

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by

Gunnar Johnson

on 11 February 2016

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Transcript of The Sun!

What is the sun made out of?
The sun is made out of many gases including
carbon
neon
oxygen
nitrogen
hydrogen
helium
neon
iron
silicon
magnesium and sulfur.
The sun is 28% helium, 70% hydrogen, nitrogen and oxygen make up 1.5% and others are 0.5%
Questions
What is the Sun made out of?
How did the sun form?
How does the sun make all of the light and heat?
How did the Sun form!
Our Sun and the solar system formed from a huge, slowly rotating molecular cloud made of hydrogen and helium molecules and dust. Under its own gravity, the cloud began to compress.
How does the sun make all of the light and heat?
Resources
www.lpi.usra.edu/education/skytellers/sun/about.shtm
http://www.lpi.usra.edu/education/skytellers/sun/about.shtml
The core of the sun is so hot and there is so much pressure, nuclear fusion takes place: hydrogen is changed to helium. Nuclear fusion creates heat and photons (light).
Fun Facts
Star Profile
Age: 4.6 Billion Years
Type: Yellow Dwarf (G2V)
Diameter: 1,392,684 km
Circumference at Equator: 4,370,005.6 km
Mass: 1,989,100,000,000,000,000,000 billion kg (333,060 x Earth)
Surface Temperature: 5500 °C
Thanks for watching our presentation!
http://www.freestockphotos.biz/stockphoto/15873
www.space.com/19321-sun-formation.html
corona
chromosphere
photosphere
convection zone
radiative zone
Full transcript