Each JuMBO pair comprises two gas giants, each between 0.7 and 30 times the mass of Jupiter. These "rogue" planet partners have been found orbiting each other — but not a parent star — at a ...

Scientists have received an unexpected Christmas gift this year: a potential solution to the mystery of JuMBOs, strange celestial objects that seem not to be planets or stars. Try putting a bow on ...

That means finding 40 pairs in just one nebula should be impossible. So why can't JuMBOs be born like planets? They can, but a problem with this emerges a little later. If JuMBOs formed like ...

A team of researchers has proposed a new theory explaining the formation of Jupiter-mass binary objects (JuMBOs), identified ... casts doubt on existing planet formation models, suggesting that ...