The astronaut suit at the entrance of Oakland artist David Huffman’s show “Terra Incognita,” on view until Sept. 18 at the Museum of the African Diaspora, is the first clue that we aren’t in San Francisco anymore. We’re in the land of the Traumanauts, Huffman’s signature Black space travelers searching for a place to call home. They’re on a surreal trip, making stops at an Oakland sideshow, shooting baskets in a random court and playing guitar in an abstract void.
