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tvb.com
 
 
The Planets
Episode 2 - The Two Sisters: Earth And Mars
 
On Air Date: 2019.09.11 (Wed)
 
Our tour of the solar system continues as it reveals that it was once home to not one, but two blue planets. The young Mars was a beautiful watery life-giving oasis in the universe, while Earth was full of toxic gas and completely unwelcoming. What are the processes behind the substantial transformation which result in their contrast in environments as we know today?