Otherworldly and breathtaking, these images and artist concepts of the Red Planet feature the NASA spacecraft and rovers used to explore this alien world. Enjoy the history, commentary, and innovation employed to study the mystery of Mars over the years. Printed with soy-based inks on FSC certified paper, this 12”x 12” wall calendar features large monthly grids that offer ample room for jotting notes, along with six bonus months of July through December of 2022. Also includes moon phases (CST), standard U.S., and international holidays.