Kepler's First Law | Science Working Model for class 9 | Science Project for class 9

Welcome to RV TUTORIALS
In this video I am going to explain how to make a science Working Model on kepler's First Law of planetary motion...

Planets move in elliptical orbits
with the sun at one focus.

The planet follows the ellipse
in its orbit, meaning that the
planet to sun distance is
constantly changing as the
planet goes around its orbit.

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9) science Experiment kepler's First Law of planetary motion.

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