The time taken for Jupiter to orbit the Sun is 4330 Earth days. The average orbital radius of Jupiter is 7.78 × 108 km. An Earth day is 24 h.
Calculate the average orbital speed of Jupiter in km/s\text{km/s}km/s.
average speed=…………… km/s \text{average speed} = \dots\dots\dots\dots\dots \text{ km/s} average speed=…………… km/sState the shape of the orbits of the planets in our Solar System.
Light from a distant galaxy is redshifted.
Explain what is meant by redshift.
State the quantity about the galaxy's motion that the redshift of a galaxy is used to calculate.
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.