Which statement correctly describes the shape of a comet's orbit and the position of the Sun?
The orbit is circular, and the Sun is located at the centre of the circle.
The orbit is circular, and the Sun is located at a position other than the centre.
The orbit is highly elliptical, and the Sun is located at the centre of the ellipse.
The orbit is highly elliptical, and the Sun is located at one focus of the ellipse.
60 exam-style questions on CIE IGCSE Physics 6.1.2a Contents of the Solar System. Each one has a worked solution and a mark scheme showing where the marks go.