Lasers. They can be used for a wide variety of things, or utilized in all sorts of methods, to create all sorts of different results. For all intents and purposes, lasers are the Jack of All Trades when it comes to high tech things that could be used as weapons. Or, in some cases, a good defensive tool. But, for one observatory and its researcher and scientists, they think a laser can be used to create an artificial star. And that's exactly what they're doing.