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Topic: Kepler’s Laws. Revolution Vs. Rotation. Revolution =. Revolution Vs. Rotation. Rotation =. ESRT pg 15. Laws of Gravity. Mass Greater mass = As mass increases =>. Distance The closer the objects, the stronger the gravitational forces. Modern Celestial Models. - PowerPoint PPT Presentation
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Topic: Kepler’s Laws
Revolution Vs. Rotation
• Revolution =
Revolution Vs. Rotation
• Rotation =
ESRT pg 15
Laws of Gravity
• Mass – Greater mass =– As mass increases =>
• Distance – The closer the objects, the stronger the
gravitational forces.
Modern Celestial Models• Heliocentric Model could
not explain the movement of all objects, until Johannes Kepler (1609) developed laws of planetary motions
1st Law __
EccentricityA number indicating the roundness of
an ellipse.
Eccentricity = Distance Between Foci
Length of Major Axis
e=d/L Page 1 in your BEST FRIEND
e = 0 e = 1
Perfect circle
Straight line
ESRT pg 15
2nd Law__
Caused by the Sun’s gravitational pull
3rd Law• __
ESRT pg 15
Final Question
• http://www.polleverywhere.com/multiple_choice_polls/OTk2MDQ2MzY2/web
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