Occasionally, February may have no full moon at all ... Calendrical blue moons are much more frequent, occurring (on average) about every 2.5 to nearly 3 years. Mohon, L. (2021, August 20).

Here are the dates for the full moons ... due to the moon's rotation. Only when the moon, Earth and the sun are perfectly aligned is the moon 100% full. And sometimes — once in a blue moon ...

Narrator: A blood moon lunar ... means more blue light is scattered away, leaving the redder wavelengths behind. Similarly, the ring around earth during a total lunar eclipse is red because ...