W10_103_6a_EarthOrigin

W10_103_6a_EarthOrigin - History of the Earth Chapter 1:...

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History of the Earth Chapter 1: Formation of the Earth From the Big Bang to Early Planets Origins of… • The Universe (13.7 Gyr) • The Elements (13.7 - 4.6 Gyr) • The Solar System & the Earth (4.6 Gyr) • The Moon (4.5-4.6 Gyr)
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Origin of the Universe (13.7 Gyr) The Big Bang Quantum Mechanical Statistical Vacuum Fluctuation? History of the Universe
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Hubble Deep Field Origin Answer came from Distance vs. Relative Velocity of galaxies Distance to Galaxies Distance Actual Brightness Observed Brightness Measured in: Light Years ~ 10 trillion km Parsec ~3.25 light years
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How do we Know Distance? Velocity comes from Doppler Effect
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Electromagnetic Radiation Doppler Effect
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Doppler Effect: Red Shift & Blue Shift Red Shift of Spectrum
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slow fast near far Hubble law Galaxy Velocity More Red Shifted Expansion of the Universe The galaxies are not moving through space, they are stationary is space. Space itself, between the galaxies is stretching and carrying the galaxies farther away from each other.
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History of the Universe WMAP Wilkinson Microwave Anisotrophy Probe Microwave light emitted 380,000 yrs after the Big Bang
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W10_103_6a_EarthOrigin - History of the Earth Chapter 1:...

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