Cozumel Planetarium Ready Laura Wilkinson, June 22, 2015May 19, 2016, Things to Do, Cozumel, planetarium, things to do, 0 Cozumel Planetarium Ready Cha’an Ka’an Planetarium Readies for Cozumel Opening Cozumel’s newest attraction, the Cha’an Ka’an planetarium,...