Main content
The Alien Question
What if it had been an alien artifact? Maggie investigates with help from astronomer Dr Duncan Forgan.
Duration:
This clip is from
More clips from The Mystery of 'Oumuamua
![]()
Starguide: February 2018
Duration: 03:00
![]()
The Discovery
Duration: 03:09
More clips from The Sky at Night
![]()
The Moon's Differing Faces
Duration: 00:45
![]()
Every Gram Counts
Duration: 01:03
![]()
The Astronaut Experience
Duration: 01:17
