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Published byElmer Brooks Modified over 8 years ago
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Geocentric Model
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Heliocentric Model
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Did you know???? (do not write) It wasn’t until 1851 that experimental proof of the motion of Earth was found
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Proof for the Heliocentric Model Proofs: Coriolis effect, Foucault pendulum, seasons, parallax (apparent shifting of stars)- EARTH IS NOT STATIONARY
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New Definitions: Year: Time required for a planet (Earth) to complete one orbit around its primary (the sun); 365.25 days on Earth Primary: Object around which a satellite moves
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Review of Definitions Revolution: Orbital motion of a satellite around its primary Foucault pendulum: Weight that is free to rotate as it swings back and forth; its slow change in direction of a swing is proof of Earth’s rotation Axis: Imaginary line around which an object rotates
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Review of Definitions Rotation: Spinning of a body around an internal axis (The Earth’s rotation causes day and night) Orbit: Path (usually an ellipse) of any satellite around its primary Coriolis Effect: Bending of the winds due to Earth’s rotation
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