The process to create the stunning celestial sight is a complex one requiring the moon to not only be full, but for the Earth to pass perfectly between it and the sun. With Earth's shadow cast over it,

Pictures of last night's "Blood Worm Moon," a total lunar eclipse, show the full moon looking red in the night sky.

During the eclipse, the Earth passed between the sun and moon, blocking light from hitting the lunar surface, making the moon darker than usual. The moon turned a red hue, becoming a “blood moon,” due to the sunlight passing through Earth’s atmosphere before reaching its surface.