“A line joining a planet and the Sun sweeps out equal areas during equal intervals of time” (Meaning that each triangle seen there has equal area.)
The black dot represents a planet, the point where the black lines intersect represent the sun.
The green arrow represents the planet’s velocity,
The purple arrows represents the force on the planet.Know more:http://www.physicsclassroom.com/mmedia/circmot/ksl.cfm
http://www-spof.gsfc.nasa.gov/stargaze/Skepl2nd.htm
Animation credit: Antonio González Fernández/ University of Seville (Spain)
You have to put some thought into the right indicators to look at, and the right tools to use. Key question: “How will I know if we start to fail?”case management software
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