6.1.2 The Solar System

6.1.2.1—Contents: (a) the Sun (one star) (b)

6.1.2.2—Four inner planets are small/rocky and

6.1.2.3—Strength of the gravitational field

6.1.2.4—Time it takes light to travel a

6.1.2.5—Sun contains most of the mass of the

6.1.2.6—Force that keeps an object in orbit

6.1.2.7—Planets, minor planets and comets have

6.1.2.8—Analyse and interpret planetary data

6.1.2.9—Strength of the Sun’s gravitational

6.1.2.10—An object in an elliptical orbit

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6.1.2 The Solar System