On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Space History Archives👉 https://space-com.visitlink.me/5osI5c Eris is just slightly smaller than Pluto, and it orbits the sun about three times farther than Pluto. NASA first thought that Eris was bigger than Pluto, and they originally described Eris as the 10th planet in the solar system. But the International Astronomical Union, or IAU, wasn't too thrilled about adding Ceres to the li

Eris [ ☄️ ] ➡️ 2,300 km most massive and second-largest known dwarf planet after Pluto ➡️ Largest known object that has not been visited by a spacecraft ➡️ Methane ice surface, similar to Pluto and Triton, but white instead of reddish ➡️ One known moon (Dysnomia) ➡️ Orbits the Sun once every 560 years at an average of 68 AU (currently at a distance three times that of Pluto) credits: NASA/Wikipedia/Universe Atlas 🔭 MAP OF THE UNIVERSE 🌌 available at their bio link 👉 @universeatlas ✨✨✨ #eris #

The Planet That Changed Everything: Eris 🌌 Eris — the dwarf planet that changed everything. 🪐 Discovered in 2005, this icy world beyond Pluto forced scientists to rethink what truly defines a planet.  Named after the Greek goddess of discord, Eris lived up to her name — sparking one of the biggest debates in astronomy. Was Pluto really “demoted,” or did Eris just reveal how vast our universe truly is? Watch till the end — the truth might surprise you. 🚀 #ErisPlanet #SpaceFacts #Astronomy #Un