Ron Walker, from Cave Creek, built his own planetarium, which displays the night sky on the inside of a dome. At the next Desert Hills Astronomy Club meeting Ron will present a slide show of the construction process, including his acquisition and installation of a planetarium projector. Ron gives free shows at his planetarium in Cave Creek on weekends, open to the public via RSVP. Slide show on Friday, Oct 7, 7 – 9 p.m. at Anthem Civic Bldg.
