Featured 7:30 pm - 9:00 pm All Space Considered – September 2018 Featured September 7, 2018 @ 7:30 pm - 9:00 pm All Space Considered – September 2018 Griffith Observatory holds this public program online on the first Friday of every month. Join the Observatory's curatorial staff as they examine and explain the most-talked-about subjects in astronomy and space science.