If you plan on catching the event in 2023, here's all the information you're going to need. First, what is Orionid meteor shower show? Well, the Orionids are a byproduct of Haley's comet. As Earth passes through the comet's tail, space rocks burn up in the planet's atmosphere, creating a dazzling shooting star effect. And while Haley's comet appears in the night sky only once every 74 to 76 years, the Orionids are much more frequent and occur each year