Main content

DART: What is the beta factor?
Prof Simon Green demonstrates what happens when we hit an asteroid with a little help from a ball, some sand, and the beta factor.
Duration:
This clip is from
More clips from Will an Asteroid Destroy Earth?
![]()
Starguide: May 2023
Duration: 07:51
![]()
The Building Blocks of Life
Duration: 01:59
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






