What Happens During A Full Blue Moon
. 2021 Equinoxes and Solstices. Also known as seasonal Blue Moon this occurs about every 25 years.
Earth casts two shadows on the moon during the eclipse. This full moon is also called the Full Sturgeon Moon. This happens because blue light undergoes stronger atmospheric scattering so red light will be the most dominant color highlighted as sunlight passes through our atmosphere and casts it on the moon.
Some years February has no Full Moon at all which is called a Black Moon.
This full moon is also called the Full Sturgeon Moon. A February with no Full Moon happens when January and March have a Blue Moon each. Decembers Moon is the Cold Moon. A blue moon is an additional full moon that appears in a subdivision of a year.
