Measuring the Universe

Meridian building and gallery closures

We're making improvements. As a result the Meridian Gallery will close from 7 January to 15 February. The rest of the Royal Observatory, including the Meridian line, will be open as normal. Visit the home of time

Essential information

Key stage: 
Key Stage 4, Post-16
Resource type: 
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.

Accompanying Resources

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