Lightsabers are one of the most iconic items in all of the Star Wars universe, and lightsaber duels are some of the most memorable moments in movie history. But how much do you really know about lightsabers? I spent some time researching to see what interesting facts I could find, and to answer some questions that you might have. If you have more, leave them in the comments! Why Are Lightsabers Blue? Lightsabers can be many colors, but blue, green, and red are the most common in the movie franchise. A lightsaber’s color is determined by the type of crystal that’s used to power it. Kyber crystals, which grow in crystal caves on the Outer Rim, were traditionally used to build lightsabers, but because of their scarcity, other types of gems have come into use. For example, the Sith use synthetic crystals that become superpowered when infused with the Dark side…