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Steve Griffin | The Salt Lake Tribune Patrons walk under the Solar System at the Clark Planetarium at The Gateway in Salt Lake C Steve Griffin | The Salt Lake Tribune Patrons enjoy the Clark Planetarium at The Gateway in Salt Lake City, Utah Tuesday March 2 Kim Raff | The Salt Lake Tribune Visitors view exhibits on the first floor of the Clark Planetarium in Salt Lake City on Monday Kim Raff | The Salt Lake Tribune (from left) Kellan Moos, Steve Echols and Dyson Echols walk around the Moonscape exhibit at the Kim Raff | The Salt Lake Tribune (left) Ryan Bradshaw and Brody Wheeldon play in an exhibit about clouds at the Clark Planetariu Kim Raff | The Salt Lake Tribune Caleb Baird interacts with Newton's Daydream, an audio-kinetic sculpture, at the Clark Planetar Kim Raff | The Salt Lake Tribune (left) Dyson Echols and his mother, Charity Echols, look at the collection of meteorites at the Kim Raff | The Salt Lake Tribune Visitors view The Solar System exhibit at the Clark Planetarium in Salt Lake City on March 25, Kim Raff | The Salt Lake Tribune (left) Mason Frasure and his father, Lance Frasure, look at the Earth Globe exhibit during thei Steve Griffin | The Salt Lake Tribune Patrons enjoy interactive displays at the Clark Planetarium at The Gateway in Salt Lake Ci Steve Griffin | The Salt Lake Tribune Patrons enjoy the Clark Planetarium at The Gateway in Salt Lake City, Utah Tuesday March 2 Steve Griffin | The Salt Lake Tribune Patrons enjoy the Clark Planetarium at The Gateway in Salt Lake City, Utah Tuesday March 2 Steve Griffin | The Salt Lake Tribune Children walk on the moon at the Clark Planetarium at The Gateway in Salt Lake City, Utah Steve Griffin | The Salt Lake Tribune Tori Andersen and her son, Andrew, enjoy a stroll on Mars at the Clark Planetarium at The Steve Griffin | The Salt Lake Tribune Patrons enjoy a stroll on Mars at the Clark Planetarium at The Gateway in Salt Lake City,