1.comparing a planet to others to better understand its features. 2.that different parts of the planet have different composi- tions. 3.that different planets have different compositions. 4.calculating the slope of the trajectory.
1.comparing a planet to others to better understand its features. 2.that different parts of the planet have different composi- tions.3.that different planets have different compositions. 4.calculating the slope of the trajectory.
1.comparing a Planet to others to better Understand its features. 2.that different Parts of the Planet have different Composi- tions. 3.that different planets have different compositions. 4.calculating the Slope of the trajectory.
1.comparing a planet to others to better understand its features. 2.that different parts of the planet have different. Composi - tions. 3.that different planets have different compositions. 4.calculating the slope of the trajectory.