Photo of the Day: What is a #SuperBlueBloodMoon, anyway? It's when a super moon (full moon close to earth in orbit), blue moon (the second full moon in a month), and lunar eclipse all occur on the same night. Early Wednesday morning (January 31st) is the first super blue blood moon in 150 years. Ready your telescopes. . . . #POTD #photooftheday #picoftheday #supermoon #bluemoon #moon #luna #sky #bloodmoon #lunareclipse #nature #naturephotography #spacephotography #astronomy #astronomyphotography #NASA