Surprising rocky worlds revealed around a small star
A team led by the Trottier Institute for Research on Exoplanets (IREx) has achieved the most precise study to date of the L 98-59 planetary system, and confirmed the existence of a fifth planet in the star’s habitable zone, where conditions could allow liquid water to exist.
Volcanic planets, a sub-Earth, and a water world
L 98-59, a small red dwarf located just 35 light-years from Earth, hosts three small transiting exoplanets discovered in 2019, thanks to NASA's TESS space telescope, and a fourth planet revealed through radial velocity measurements with the European Southern Observatory's ESPRESSO spectrograph. All four planets orbit their parent star in ...