“Fra Mauro Region of the Moon,” 1972, by Nancy Graves (American, 1939–1995), from the series “Lithographs,” based on Geologic Maps of Lunar Orbiter and Apollo landing sites. Harvard Art Museums/Fogg Museum, Cambridge, Mass., gift of Anne MacDougall and Gil Einstein in honor of Marjorie B. Cohn. © Nancy Graves Foundation, Inc./Licensed by VAGA, New York

“Untitled,” 1972, by Gyula Kosice (Argentine, born in Hungary, 1924). Pen and brush with wash over pencil. Blanton Museum of Art, University of Texas at Austin, gift of Barbara Duncan. © Gyula Kosice

“Astronauta y testigos, televisados” (“Astronaut and witnesses, televised”), 1971, by Raquel Forner (Argentine, 1902–1988), oil on canvas. Blanton Museum of Art, University of Texas at Austin, gift of Barbara Duncan, 1973.

“Proyecto para un platy mecánico 1,” 1974, by Luis Fernando Benedit (Argentine, 1937-2011), watercolor and graphite on paper. Courtesy of the artist and Henrique Faria, New York and Buenos Aires.

“Proposal for a Monument at Antarctica,” 1966, by Robert Smithson (American, 1938–1973), negative photostat. The Metropolitan Museum of Art, New York, purchase, The Horace W. Goldsmith Foundation Gift, through Joyce and Robert Menschel, 2001. © Estate of Robert Smithson/Licensed by VAGA, New York