Orion is one of the most recognizable constellations in the sky, thanks to its bright stars and clear shape. This northern constellation is most visible in the winter months, and goes by the nickname "The Hunter" as the stars' shape appears to point at the neighboring bull, Taurus. Additionally, Orion is home to one of the few nebulae that can be seen with the unaided eye: the Orion Nebula, or Messier 42...