Complex sentence: "Destination Moon" is a short story by science fiction author Robert A. Heinlein, first published in the September 1950 issue of "Short Stories" magazine; it is an adaptation of Heinlein's own screenplay for the 1950 feature film "Destination Moon".
Split into simpler sentences: Destination Moon is a short story by science fiction author Robert A. Heinlein, first published in the September 1950 issue of "Short Stories"magazine. The story is an adaptation of Heinlein's own screenplay for the 1950 feature film "Destination Moon".