The document provides directions for writing a five paragraph comparison/contrast essay on NASA's past Apollo missions to the Moon and planned future missions to Mars. Students are asked to use MLA style with sources cited and include photos/illustrations to document the similarities and differences between the two missions. NASA.gov is listed as a primary source for quotations and the works cited page, along with other sources from the library databases or Google. A sample outline is provided with an introduction, paragraphs on similarities/differences, and a conclusion.