Got a light?
That said, WISE J062309.94−045624.6 is a very different kind of star than our Sun. As theexplains, the lighter-like cosmic body is a brown dwarf, which is sometimes sadly referred to as a "failed star." As far as stars go, it's fairly small — smaller than Jupiter — and as a result, it doesn't have nearly as much gravitational pull as is needed to perform nuclear fusion.
A "brown dwarf is partway, in mass and temperature, between a star and a planet," Tara Murphy, an astronomy professor at the University of Sydney and a study co-author, told theBut because they can't perform nuclear fusion, brown dwarfs are dimly lit, and impossible to see with the naked human eye.
"Every band of that electromagnetic spectrum gives you a completely different window into the universe," Murphy told the
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