Astronomers have discovered a “mega-Earth” that shouldn’t exist
GJ 523b – is a “mega-Earth” type exoplanet located 87 light-years away from Earth, which, despite its enormous size, remains a dense, rocky world, writes…
GJ 523b – is a “mega-Earth” type exoplanet located 87 light-years away from Earth, which, despite its enormous size, remains a dense, rocky world, writes…