Tuesday 17 March 2015

A well-written and beautifully illustrated discussion of the reasoning to explain the puzzle.

original post »
A well-written and beautifully illustrated discussion of the reasoning to explain the puzzle.

  #forwidersharing #outerspace  

S. John originally shared:

There are many ways in which Iapetus is unusual for our Solar System, and a few mysteries that haven’t been answered.

 » see original post https://plus.google.com/+MarkHightonRidley/posts/fqsCKqGVqaW
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