Here we're looking at how stretching space predicts the change in recession velocity of galaxies. If you stretch a piece of...

Classroom Activity 14-16

A selection of videos to use remotely with your students.

Remote teaching support 11-14 14-16 16-19

In this activity students build a model universe using washers and elastic bands. You can use it to introduce Hubble’s law.

Remote teaching support 14-16 16-19