Earth: The Power of the Planet

S01E05 Rare Earth

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 Arizona to explore the atmosphere's role in protecting us from bombardment by meteorites. Life on earth only prospers because it is provided with right amount of heat from the sun.


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A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.

  • * All knowledge to all
  • * The search for knowledge is sacred
  • * The circulation of knowledge is sacred
  • * The act of copying is sacred.