Editing 1633: Possible Undiscovered Planets
Revision as of 04:20, 23 January 2016 by 108.162.216.52 (talk) (→Explanation: End of 1st sentence was ambiguous to me; while "possible" already made it clear that the object has not been proven to exist, the end referred to it as having been "discovered", so I reworded that and specified what kind of objects)
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