This is pretty weird. I remember someone folding a $20 at the bar one night and showing me this, but I have never seen the whole sequence before. Really makes you wonder why they never changed the design of the $1.
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Hidden craters reveal Earth may once have had a ring—like Saturn
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The rings of Saturn are among the most famous and spectacular features in
the solar system. Earth may once have had something similar.
22 minutes ago
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