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Originally Posted by OneOfOne
At the moment I think they would say that a "rogue" planet is one that was formed as part of the "normal" process (ie. around a star) and then thrown out of the system as a result of interactions with other large objects. "Fortunately" the likelihood of finding some of these things is soooooo remote that we may not find any and have to deal with the question  ...famous last words  It is probably more likely to be remain a theoretical discussion. |
Actually, they've found quite a few of them...there are quite a few in Orion and in the Taurus complex...Jupiter mass/sized objects floating about in the ether so to speak.