 Man Enters the Cosmos is a cast bronze sculpture by Henry Moore located on the Lake Michigan lakefront outside the Adler Planetarium in the Museum Campus area of downtown Chicago in Cook County , Illinois , United States . The planetarium , which is both a National Historic Landmark and listed on the National Register of Historic Places , is located in the Near South Side community area of Chicago . Moore 's sculpture is a functional bowstring equatorial sundial created in 1980 measuring approximately 13 feet ( 4 @.@ 0 m ) . The sundial was formerly located slightly further south at the steps of the main entry plaza to the Planetarium , but it now sits directly on the lakefront . The work is a later copy of a composition first created in the 1960s for the offices of The Times newspaper at Printing House Square in London , and according to the Henry Moore Foundation is titled Sundial 1965 @-@ 66 . 
