Exploration of the Moon invention of the telescope, an increasing number of people began to recognise the Moon as a sphere, though many believed that it was "perfectly smooth". In 1609, Galileo Galilei drew one of the first telescopic drawings of the Moon in his book and noted that it was not smooth but had mountains and craters. Later in the 17th century, Giovanni Battista Riccioli and Francesco Maria Grimaldi drew a map of the Moon and gave many craters the names they still have today. On maps, the dark parts of the Moon's surface were called "maria" (singular "mare") or seas, and the
Woman in the Moon make the return trip. One person must remain on the moon. (In this film, the moon has a breathable atmosphere on its far side, per the theories of Peter Andreas Hansen, who is mentioned near the beginning of the film.) Helius and Windegger draw straws to see who must stay and Windegger loses. Seeing Windegger's anguish, Helius decides to drug Windegger and Friede with a last drink together and take Windegger's place, letting Windegger return to Earth with Friede. Friede senses that something is in the wine. She pretends to drink and then retires to the compartment where her cot