7.2 / 10
(10 votes)
Dallas Campbell explores the equation which attempts to calculate the number of planets supporting life in our universe.
United Kingdom
Documentary
60 minutes
2010
Tim Usborne
BBC

2016
6.6

2015
8.5

2015
7.0

2003
0.0

2002
6.4

2006
7.2

2008
7.7

1994
7.2

2021
7.0

2007
7.6

2017
6.8

2019
7.0

2014
7.4

2020
6.7

2016
10.0

2005
6.1

2016
7.0

2001
5.5

2017
7.5

2015
6.2