KNOWLEDGES at Mount Wilson Observatory features 10 newly commissioned artworks, plus a nighttime program of performances and telescope viewing sessions. Sculpture and installation works by Krysten Cunningham, Erik Frydenborg, Channing Hansen, Gregory Michael Hernandez, Alice Könitz, Karen Lofgren, and Rosha Yaghmai will be on view throughout the weekend, along with a performance by Scott Benzel staged on the rotating deck of the 100-inch Telescope, and a video screening by Jeff Cain. On Sunday, Margaret Wertheim, Director of the Institute for Figuring, presents a symposium and workshop exploring concepts of space in mathematics and cosmology. An artist edition by Claire Nereim will accompany the exhibition.