In honor of the 80th anniversary of Pluto’s discovery, hackers installed a motorized solar system mobile in Lobby 7 on Thursday. They also adorned the Lobby 7 pedestals with birthday-themed paraphernalia. Two other “dwarf planets,” Eris and Makemake, are Pluto’s birthday party guests.

Eric D. Schmiedl—The Tech

In honor of the 80th anniversary of Pluto’s discovery, hackers installed a motorized solar system mobile in Lobby 7 on Thursday. They also adorned the Lobby 7 pedestals with birthday-themed paraphernalia. Two other “dwarf planets,” Eris and Makemake, are Pluto’s birthday party guests. Eric D. Schmiedl—The Tech