Not since Andrew Johnson was President, the second dome on the U.S. Capitol was completed and Jesse James completed his first robbery will the skies experience an event like this.
On Jan. 31, a total lunar eclipse will occur with a blue moon, known as a Super Blue Blood Moon.
By no stretch of the definition is a full moon rare. It happens approximately once a month, or every 29.5 days. Occasionally, it happens twice in one month, approximately every three years or so. This event is known as a Blue Moon, according to Fox 5 DC.
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unar eclipses are visible from anywhere on Earth where it is nighttime. However, the duration of the eclipse you see will depend on how close to moonrise or moonset the eclipse starts in your location. During total lunar eclipses, the moon turns a deep red color when it enters the depths of Earth’s shadow. So why doesn’t the moon just look like it’s in darkness? The color change happens because Earth’s atmosphere acts as both a lens and a scattering medium for the sun’s light.
As light passes through any medium, it slows down a bit, and bends. So some sunlight gets bent toward the moon’s surface as it passes through Earth’s atmosphere during an eclipse. If you were standing on the moon, observing the Earth during a lunar eclipse, you’d see a ring of light around the Earth’s edge as it passed in front of the sun. In addition to the bending, air scatters short-wavelength light more than longer-wavelength light. Colors such as green and blue have shorter wavelengths than red or orange, so they scatter more — and what’s left is the redder end of the spectrum.