HD 21520 b: New ExoplanetHD 21520 b: New ExoplanetFounda sun-like star.A warm sub-Neptune discovered orbitingEarth and Planetary AstrophysicsNew Exoplanet HD 21520 b: Key FindingsAstronomers discover HD 21520 b, a warm sub-Neptune orbiting a sun-like star.2025-07-21T20:27:00+00:00 ― 5 min read
