In your own words, explain a crucial piece of evidence that Johannes Kepler could have used to support one of his laws of planetary motion.

Question

gabylovesyou · Answer

@Destinymasha i dont get this question..

miracrown · Answer

I know how to use them, but I am not so sure as to how they were derived or proved but I found this and it explains it all: https://au.answers.yahoo.com/question/index?qid=20111219123853AA4QNrP

gabylovesyou · Answer

evidence he could of used.. not that he used.. ( i saw that website too xD :) )

miracrown · Answer

hmm...

gabylovesyou · Answer

gosh... idk .-.

miracrown · Answer

What he could've used is the position of mars around the sun; that's the piece of evidence.

gabylovesyou · Answer

for which of his laws ?

miracrown · Answer

the 1st one

miracrown · Answer

the one that says that the movement of planet around the sun is an ellipse :)

gabylovesyou · Answer

okay :D