Carl Sagan gets his moment at the movies thanks to Elio and The Life of Chuck

Forget buzzy actors or huge franchises. The movies this summer belong to one surprising star: Carl Sagan.

The American astronomer and science communicator's work plays a large part in not one but two major releases this summer: Pixar's alien adventure, Elio, and Mike Flanagan's Stephen King adaptation, The Life of Chuck.

SEE ALSO: 'Elio' review: Pixar's cosmic tale of friendship will cure your loneliness

The former directly...