why planets are considered to be in two dimesional motion

Asked by Ashok Rana | 29th Jun, 2013, 02:12: PM

Expert Answer:

Planets are actually believed to be just going around the sun along their set paths in circles. That simply means you have a sun and planet like Earth goes around it in a 2 dimensional circle. That is the reason why planets are believed to be in 2 dimensional motion. If they deviate from their respective paths, then they might run into each other which is an unfavorable situation. 
 

Answered by  | 29th Jun, 2013, 11:39: PM

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