Main content
Chris Goes Underground
Chris visits the ultra sensitive dark matter detector, Xenon 1, hidden away in tunnels in the Italian Apennines.
Duration:
This clip is from
More clips from The Invisible Universe
![]()
Jim Al-Khalili and the Puzzle of the Universe's Expansion
Duration: 03:33
![]()
Starguide: January 2018
Duration: 02:44
More clips from The Sky at Night
![]()
Star Loungers
Duration: 00:58
![]()
The End of Time in Space
Duration: 00:47
![]()
Cosmic Teenage Rebellion
Duration: 00:44
![]()
A Brand-New Mineral
Duration: 01:05
