Question 1
The Sun is a star. Which galaxy is the Sun in? Tick one box.
[1 mark]
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. Use the equation: distance = speed × time
[2 marks]
Table 1 gives information about some of the planets in our solar system. The planets are in order of increasing distance from the Sun.
There are some planets in our solar system missing from Table 1. How many planets are missing?
[1 mark]
Estimate how many years it takes Mars to orbit the Sun.
[1 mark]
Calculate how many times Venus will orbit the Sun in 9 years.
[2 marks]