2014 Graduate Student Recruitment Weekend Tour of KNPO

SOCk officers Dawson Baker and Dale Karas check out the "giant concrete donut," which is a mock-up the same size, shape and weight as the Mayall telescope's primary mirror.

SOCk officers Dawson Baker and Dale Karas check out the "giant concrete donut," which is a mock-up the same size, shape and weight as the Mayall telescope's primary mirror. The mural gracing its surface was painted by Tohono O'odham artist Mike Chiago.