http://news.bbc.co.uk/1/hi/sci/tech/6506081.stm

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.
First class stuff from NASA. This is how to spend taxes.

Now, where is my lightsabre.