The Gates Planetarium is NOW OPEN! We are asking guests to take the following steps to help protect themselves and ensure the best possible experience for everyone during visits to the Gates Planetarium: Enter queue no more than 10 minutes before your ticket time. Please practice physical distancing for everyone's safety while in theaters by adhering to the seating guidelines. By order of the City and County of Denver, all guests ages 3+ must wear a face covering that covers the nose and mouth at all times. If you have a medical exemption, please let us know upon entry. No food or drinks are allowed in Gates Planetarium.