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A comment on Race to discover Planet Nine using astronomy and new computational techniques. Parent comment

Re:Race to discover Planet Nine using astronomy and new comp... by svachalek on Tuesday August 01, 2017 @12:09PM (#14902232)
I don't follow. Planet Nine is not expected to be another dwarf planet like Pluto. There are a handful of other dwarf planets known already, some bigger than Pluto, and it's expected that there are hundreds more yet to be discovered.
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Re:Race to discover Planet Nine using astronomy and new comp... by Robotbeat on Tuesday August 01, 2017 @11:26PM (#14907702)
Some may be bigger than Earth, yet still classed as dwarf planets. Therefore, I think the definition is BS as it has nothing to do with the planet itself (such as its geography, size, etc) but only the bodies around it.
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Re:Race to discover Planet Nine using astronomy and new comp... by scott_s on Wednesday August 02, 2017 @09:17AM (#14910277)
You say "may be bigger than Earth", but I'm unaware of any dwarf planets that are bigger than Earth. Are there any? Assuming there are none, that's rather the point: bodies that large would tend to clear out their local zone.
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