Here's How NASA Celebrated Star Wars Day In Space

Astronauts watched Star Wars aboard the International Space Station.

NASA got into the spirit of Star Wars Day on Monday.

In celebration of "May the 4th Be With You," an unofficial holiday observed by fans of the iconic movies, crew members aboard the International Space Station watched Star Wars Episode III: Revenge of the Sith, a prequel to the original trilogy directed by George Lucas.

NASA's official Twitter account also marked the occasion by dashing off a series of Star Wars-themed tweets.

This isn't the first time NASA has tapped into the popularity of film and television to draw attention to its extraterrestrial endeavors.

In February, American astronaut Terry Virts tweeted a photo of the vulcan salute from the space station to commemorate Leonard Nimoy, the actor who played Spock on the cult TV series "Star Trek," following his death.