VALLEY CITY, N.D. (NewsDakota.com) – Free Planetarium Show at Valley City State University – Double Feature Saturday, August 23rd at 11:00 a.m. Room 309 Rhoades Science Center, elevator available by west entrance.

11:00 AM: “Lewis and Clark” Find out how Lewis and Clark used astronomy to navigate and map the Louisiana Purchase to remarkable accuracy.

11:40 AM: “It’s about Time” The discovery of how we calculate time and the human efforts to master it!

For more information about this planetarium show or to become a Friend of the Planetarium contact Wes Anderson, 701-845-0966.