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The Big Picture: Say hello to NASA's 'nastiest' star
NASA's "Nasty 1" isn't like other stars. Bigger than our Sun but barely older than humanity itself, this unusual celestial body sits just about 3,000 light years away from Earth. And while it's certainly similar to other Wolf-Rayet stars, which are identifiable by their lack of an outer hydrogen-rich sheath and exposed superheated helium core, those have never been observed in the Milky Way with an accretion disc like Nasty's. (See that thing above? That's an accretion disc.)
