Using NASA's exoplanet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite) astronomers have discovered an ...

Astronomers have reported observations of a rare star system consisting of one star orbiting a system of three more tightly ...

The discovery of the fourth star was done through an algorithm called QUADCOR, which isolates the distinct spectral fingerprints of all four stars simultaneously. By detecting the individual signals, ...

The four-star system features three stars in stable orbits, plus a fourth at a distance equal to Jupiter's orbit around our Sun.