Hmmm,
Isnt theory tied to an object being larger than Jupiter belonging to the class of "brown dwarfs"? I am sure that AS&T articles have been describing the exoplanet candidates being detected as Super Earths and Super Jupiters with the latter almost being able to be classified as being of the Brown Dwarf class and VERY hard to detect based on their visual dimness?
Maybe this is what is lurking out there beyond visible reach? Certainly with the mass of 4 x Jupiter, it would be getting close to being a Massive object with the characteristics of a brown dwarf. Something which theory predicts but practice is yet to pin down....
Thats where my $10 would be placed, if evidence or proof comes from the "speculation" included in that story.....
Cheers
Chris
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