Replies

To: PIF

Spherical ‘boulders’ are concretions, not all of which are perfect spheres.

27 posted on 04/12/2018 8:46:02 AM PDT by Fred Nerks (fair dinkum!)

To: Fred Nerks

And that description does not a[ply to Iapetus.

29 posted on 04/12/2018 4:31:20 PM PDT by PIF (They came for me and mine ... now it is your turn ...)

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