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10 Cards in this Set
- Front
- Back
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Formation of the Solar System |
Cloud of interstellar gas and dust Lot of hydrogen and helium |
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Protosun |
Step 1 of formation matter goes to center, outer rotates |
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Protoplanetary Disk Formation (Proplyd) |
Cloud flatten to disk Conservation of Angular Momentum |
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Evacuation |
Heats and removes excess gas so only the largest part remains |
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Collision results in ___________ Accretion results in ______________ |
Planetisimals Protoplanets Lots of debris and impacts |
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Last steps |
Sun turns on planets settle into orbits Small bits remain (Asteroids, Meteors, Comets) |
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Differentiation |
While in liquid form, dense objects move towards the center of the planet |
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Inner planets |
Heavier material, 4 terrestrial Smaller, rocky |
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Outer planets |
Gas giants, 4 Jovian H, He, Methane abundant |
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The Earth's Layers |
Inner core outer core mantle hydrosphere hemosphere magnetosphere |
