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You've Discovered the Bullis School Solar System! This website accompanies physical markers found on Bullis' campus. Click here to learn more!
Geology
Geology
The layers of Earth:
Inner core: Iron and nickel (789mi thick)(Solid)
Outer core: Iron and nickel(1367mi thick)(Liquid)
Mantel: Rocks rich in magnesium and iron(1771mi thick)(Solid)
Crust: Solid rocks and minerals(3-44mi thick)(Solid)
atmosphere
atmosphere
Atmospheres composition: 78% nitrogen 21% oxygen 1% other
The layers of atmosphere:
Troposphere: (0-6mi)
75% of the atmospheres total mass
Stratosphere:(6-19mi)
Home to the Ozone layer that protects us from harmful sun-rays
Mesosphere:(19-31mi)
Coldest layer surrounding Earth
Thermosphere:(31-249mi)
home to the International Space Station
Exosphere:(249>mi)
Made up of mostly helium and hydrogen
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