Astronomers find tantalizing hints of a potentially habitable exoplanet

Located 43 light-years away in the southern constellation Pictor, the orange-colored dwarf star HD 40307 has previously been found to hold three "super-Earth" exoplanets in close orbit. Now, a team of researchers poring over data from ESO's HARPS planet-hunting instrument are suggesting that there are likely at least six super-Earth exoplanets orbiting HD 40307—with one of them appearing to be tucked neatly into the star's water-friendly "Goldilocks" zone.

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