On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system! Read more about this historic discovery here: https://www.space.com/39251-on-this-day-in-space.html | Space.com

This weekend, the distant world Eris one of the most massive dwarf planets in our solar system reaches opposition, appearing directly opposite the Sun in our sky. 🕒 Exact time: October 18, 23:40 UTC | Oct 19, 05:10 AM IST At the same time, Eris will also be at its closest approach to Earth this year about 94.57 AU, or 14.1 billion kilometers away. 🔭 With a magnitude of ~18.6, it's not visible to the naked eye, but experienced astronomers with large telescopes can find it near the constellation

Beyond the orbit of Neptune, hidden in the deep cold of the Kuiper Belt, lies Eris — a dwarf planet that once changed everything we thought we knew about our Solar System. Discovered in 2005, Eris is slightly smaller than Pluto but even more massive, and its existence forced astronomers to rethink what defines a planet. | The Brain Maze