Skip to content
Skip to main content

About this free course

Download this course

Share this free course

In the night sky: Orion
In the night sky: Orion

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

Hubble’s law

The observation that, for distant galaxies, the greater a galaxy’s distance, the greater the redshift of the radiation received from that galaxy.

» Orion Glossary