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charts_and_maps

Happy Carl Sagan Day, people.

smiling_gurl wrote in charts_and_maps Nov 06, 2010 19:43

This is a chart in video form about the cosmos and how big the earth is in relation to some of the stars out there in the sky.

This is a video with Carl Sagan talking about the earth:

Click to view

space, science

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Space Exploration

telemann wrote in charts_and_maps Oct 13, 2009 18:00

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space, science

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