Affiliate Clark Planetarium is holding a new quarterly lecture series called “Night School.”  The next event will be held on September 13 from 7-8 p.m. at the Planetarium and will focus on “Why Mars Matters”, with University of Utah geologist, Marjorie Chan.  More information on this event can be found at:  http://clarkplanetarium.org/night-school-why-mars-matters-913/.