Scientists Identify a Free-Floating, Planetary-Mass Object in TW Hydrae

New data from WISE and its predecessor, the Two Micron All Sky Survey, reveals the lowest-mass free-floating object in TW Hydrae family — a likely brown dwarf called WISEA J114724.10−204021.3. In 2011, astronomers announced that our galaxy is likely teeming with free-floating planets. In fact, these lonely worlds, which sit quietly in the darkness of […]
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