This Drifting Super Jupiter Has a Surprisingly Complex Atmosphere

The dividing line between gas giant planets and failed stars is blurry at best. The isolated planetary-mass object SIMP J013656.5+093347.3 could be either one. The distinction is largely semantic. However we choose to label and define it, the object displays a surprisingly complex atmosphere for an isolated object without any stellar energy input.

Mar 6, 2025 - 22:34
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This Drifting Super Jupiter Has a Surprisingly Complex Atmosphere

This Drifting Super Jupiter Has a Surprisingly Complex Atmosphere

The dividing line between gas giant planets and failed stars is blurry at best. The isolated planetary-mass object SIMP J013656.5+093347.3 could be either one. The distinction is largely semantic. However we choose to label and define it, the object displays a surprisingly complex atmosphere for an isolated object without any stellar energy input.