So Last Night We Had A Bloody Moon

So maybe you noticed, or read about, but we had a blood moon last night. Blood moon is an occasional event which causes the moon and sky turn red. A really nice event to see happening.

The Moon does not completely disappear as it passes through the umbra because of the refraction of sunlight by the Earth’s atmosphere into the shadow cone; if the Earth had no atmosphere, the Moon would be completely dark during an eclipse.

The red coloring arises because sunlight reaching the Moon must pass through a long and dense layer of the Earth’s atmosphere, where it is scattered. Shorter wavelengths are more likely to be scattered by the air molecules and the small particles, and so by the time the light has passed through the atmosphere, the longer wavelengths dominate.

This resulting light we perceive as red. This is the same effect that causes sunsets and sunrises to turn the sky a reddish color; an alternative way of considering the problem is to realize that, as viewed from the Moon, the Sun would appear to be setting (or rising) behind the Earth. Such a total eclipse of the moon is sometimes referred to as a blood moon.

So, here are some pictures of it.

Blood Moon over the Temple of Poseidon.

Blood moon supported by the Goddess of Liberty.

End of a blood moon.

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