The three Shenzhou-14 crew members held a ceremony on December 2 during which the trio handed over the keys to the China Space Station to their successors. After living aboard the China Space Station for half a year, the #Shenzhou4 crew has completed all its assigned tasks and is scheduled to return to Earth on December 4. In the upcoming six-month mission, the Shenzhou-15 crew will carry out tests related to long-term residence in China Space Station at its three-module configuration. The China

Eris: Dwarf Planet King - Eris, the heavyweight champ of dwarf planets, holds the title of the most massive one in our solar system, despite being slightly smaller than Pluto. It's a frosty world residing way out past Neptune, in a chaotic region called the scattered disk. Eris travels on a long, oval-shaped path around the Sun, taking over 550 Earth years to complete one orbit. This mysterious world even has its own moon, Dysnomia, keeping it company in the deep freeze. | The Brain Maze