Alien worlds and the Doppler effect

Camera Obscura closure

The Camera Obscura will be closed from 21 May until 25 May. The rest of the Royal Observatory and Meridian Line remain open.

Essential information

Key stage: 
Key Stage 4, Post-16
Resource type: 
Video
Location: 
Royal Observatory
School subject: 
Astronomy, Science

In this video, Royal Observatory Greenwich astronomer Radmila demonstrates how the Doppler effect can be applied to finding planets orbiting distant stars in our galaxy called exoplanets. She carries out a short demo from which data can be collected and analysed and explains how these techniques can be applied to light and the hunt for exoplanets.

Accompanying Resources