In the film Star Wars, Luke Skywalker gazed at a twin sunset from his desert homeworld The dual suns that rise and set over Luke Skywalker's homeworld in the film Star Wars may be more than just fantasy, according to data from Nasa.In a classic scene from the 1977 movie, the hero gazes into the distance as two yellow suns set on the horizon. Nasa's Spitzer Space Telescope has found that planetary systems are as common around double stars as they are around single stars, like our own Sun. Details of the research have been published in the Astrophysical...