10 Things At The Adler Planetarium You Don’t Want To Miss Header Image: Outside shot of the Adler Planetarium at sunset. Editor’s Note: Updated to reflect more current and updated exhibit information for Spring Break programs and activities beginning Monday, March 23, through Sunday, April 5, 2026. As humanity prepares to return to the Moon, join the Adler Planetarium this Spring Break as we explore it as both icon and enigma and why it still captivates us. Through interactive Moon experiences,.