Main content
What are gravitational lenses?
Sir Patrick Moore finds out how one galaxy can bend the light of another while on a visit to Jodrell Bank Observatory.
Duration:
This clip is from
Featured in...
![]()
Great explanations
A collection of videos clips that explain tricky-to-understand astronomy topics.
More clips from The Long Wave
-
![]()
The sound of a pulsar
Duration: 03:37
More clips from The Sky at Night
-
![]()
Jodrell Bank's Secret History
Duration: 01:29
-
![]()
The Miracle of the Lovell Telescope.
Duration: 01:40
-
![]()
The Hunt for Space Debris
Duration: 01:21
-
![]()
The Moon's Differing Faces
Duration: 00:45
