Measuring the Universe

Essential information

Key stage: 
Key Stage 4
Resource type: 
Classroom activity
Video
Location: 
Royal Observatory
School subject: 
Astronomy, Maths, Science

This video explains how we can measure the distance to near and far objects in the universe using parallax, 'standard candles' and the Doppler effect.

In the accompanying activity, students use the parallax formula to calculate the distances to stars in Orion.