The Sky at Night

Season 9 Episode 13: The Extra Planet

Recent Russian studies have suggested that there may be another major planet in the solar system. Patrick Moore discusses the evidence for the existence of a world even more distant than Pluto.

Genre:

Documentary, News

Seasons:

70

Episodes:

847

Cast:

Quality:

HD

Duration:

30 min

First Air:

1957

Rating:

8.3