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That is to say, could a planet be big enough to have other planets orbiting around, while not orbiting around any star? Cha 110913 seems to be close to what I'm looking for, but its classification ...
That is to say, could a planet be big enough to have other planets orbiting around, while not orbiting around any star? Cha 110913 seems to be close to what I'm looking for, but its classification ...