Main content
Origins of the Solar System
There are two theories about how planets formed at the origins of the Solar System.
Duration:
This clip is from
More clips from Comet of the Century: A Horizon Special
-
![]()
Comet ISON approaches the Sun
Duration: 01:57
-
![]()
ISON - the comet of the century?
Duration: 00:57
More clips from Horizon
-
![]()
The results are in...—2021, Horizon Special: The Vaccine
Duration: 02:02
-
![]()
Pluto’s first pictures—2020, Pluto: Back from the Dead
Duration: 02:30
