OUTCOME
By the end of the lesson you will be able the process of parallax and use the relationship to estimate the distance to stars. You will be able to convert between units used to measure the universe.
Parallax is the process by which distances are determined using the movement of the Earth about the sun and trigonometry
LEARNING TASKS
Does sin θ = θ for small values? Use your calculator to check (your calculator needs to be in radians)
Try questions Ex 12.5
Qs 1-4