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DeSmogBlog
Jul 30, 2014, 8:39 pm190 ptsThis is a guest post by David Suzuki. A now-famous 1972 photo of Earth taken by Apollo 17 astronauts from 45,000 kilometres away became known as “the blue marble”. The late scientist Carl Sagan described a 1990 picture taken from six billion kilometres away by the unmanned Voyager 1 as a “pale blue…
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