The object of interest in the new study, known as SIMP J01365663+0933473, was first discovered in 2016, and at the time was believed to be an ancient, massive brown dwarf. But last year astronomers got a better look at it, determining its surface temperature was about 825° C (1,517° F) and bringing its age down to a mere 200 million years – a relative baby in astronomical terms.
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