Kepler’s Second Law of Motion - Equal Area in Equal Time (Astronomy)

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✵✵✵✵✵ Kepler's Second Law of Motion
EQUAL AREA IN EQUAL TIME (Astronomy)
Kepler’s First Law states simply that Mars travels in an elliptical orbit, with the Sun at one focus of the ellipse. Although he chose to list it first, Kepler only came to this conclusion after figuring out his "second" law, which says that if you draw a line from the Sun to Mars, and wait a fixed amount of time, that line will sweep out a certain area as Mars moves along its orbit. This finding was generalized to include all planets in 1621.

✵✵✵✵✵ CHAPTERS
You can jump to chapters in the video here:
0:00 Introduction - Kepler and Tycho Brahe
0:50 The first law came after the second!
1:02 Visualizing the Second Law
2:40 Connection with Conservation of Angular Momentum

We have videos for all 3 laws!
Kepler's 1st Law: http://bit.ly/1XCVRSQ
Kepler's 2nd Law:http://bit.ly/1lzhLVQ
Kepler's 3rd Law: http://bit.ly/1MZ35bR

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Presented by Liliana De Castro
Written by Meg Rosenburg and Kimberly Hatch Harrison
Produced by Kimberly Hatch Harrison & Michael Harrison

#Astronomy #Kepler #KeplersSecondLaw