GCSE level questions on the Earth in Space

Q8.Our Sun is a star.

(a) Name the galaxy is the Sun is in.

[1 mark]

(b) Light takes 500 seconds to travel from the Sun to the Earth.

Light travels at 300 000 kilometres per second.

Calculate the distance between the Sun and the Earth.

[3 marks]

(c) The table below gives information about some of the planets in our solar system. The planets are in order of increasing distance from the Sun.

Planet
Time to orbit the Sun in years
Mercury
0.2
Venus
0.6
Earth
1.0
Mars
Jupiter
12.0

 

(i) There are some planets in our solar system missing from the table. How many planets are missing?

[1 mark]

(ii) Estimate how many years it takes Mars to orbit the Sun.

[1 mark]

(iii) Calculate how many times Venus will orbit the Sun in 9 years.

[2 marks]

(Total 7 marks)