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Earth: The Power of the Planet

Rare Earth (Season 1, Episode 5)
TV Episode | 51 min | Documentary

Our planet is unique within the solar system. Four-and-a-half billion years ago it had a 'twin' named Theia which was absorbed into the Earth, increasing its gravity and allowing it to form an atmosphere. Iain travels to Meteor Crater in ...See moreOur planet is unique within the solar system. Four-and-a-half billion years ago it had a 'twin' named Theia which was absorbed into the Earth, increasing its gravity and allowing it to form an atmosphere. Iain travels to Meteor Crater in Arizona to explore the atmosphere's role in protecting us from bombardment by meteorites, and finds that life on earth only prospers because it is provided with right amount of heat from the sun. Written by Enzedder See less
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Edit Released
Updated Dec 18, 2007

Release date
Dec 18, 2007 (United Kingdom)

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5 cast members
Name Known for
Iain Stewart
Self - Presenter (as Dr Iain Stewart) Self - Presenter (as Dr Iain Stewart)   See fewer
Phil Bland
Self (as Dr Phil Bland) Self (as Dr Phil Bland)   See fewer
Brian Fisher
Self (as Dr Brian Fisher) Self (as Dr Brian Fisher)   See fewer
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