آلترى من معيار الثقيل جداً🔥

Pluto’s classification as a “dwarf planet” came as a shock to some, but in reality our understanding of Pluto has always been in flux. Pluto is a tiny, distant, icy object, difficult to see even with Hubble’s vision. Join a Hubble astrophysicist as we explore our history with Pluto, from its discovery to the excitement […]