Skip to main content Accessibility help
×
Home
  • Print publication year: 2020
  • Online publication date: November 2019

4 - Going Gently into That Good Night

Summary

The farther we look, the more slowly the light from exploding stars (supernovae) fades. This tells us that the expansion of space affects even light, which arrives at Earth more spread out.

Related content

Powered by UNSILO