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Longest Lunar Eclipse of Century to Occur in July | DMM英会話 デイリーニュース - When Does a Blood Moon Occur?



 

There are different types of lunar eclipses, but the Moon is only considered a Blood Moon when the Moon is fully eclipsed by the Earth. A total lunar eclipse is sometimes called a Blood Moon because of the reddish hue that the Moon takes on during totality.

The Moon appears this way because of the type of light it is able to reflect from the Sun. Usually, the Moon is lit by the Sun and appears white. It looks this way because the Sun emits all wavelengths of the color spectrum which combine to create white light.

When the wavelengths reach the Moon, it is able to reflect a percentage of this light which creates its bright white appearance. Through this process, some of the light particles pushed through the atmosphere are filtered out depending on their wavelength. For example, blue light, which has a lower wavelength, is scattered more easily than red light.

During January , a spectacular and rare lunar event occurred called the Super Blood Wolf Moon. We now know what a Blood Moon is, but what do these other terms mean? A Super Moon is simply a full moon that appears slightly larger in size. This happens when the Moon gets a little closer to Earth due to its elliptical orbit. Super Moons happen fairly regularly, usually a couple times a year. There are special names for the full moons that occur every month depending on the month.

These names are usually historical or seasonal in origin and are not named based on appearance. A Wolf Moon by itself looks just like any other full Moon. The combination of these terms is used to describe what the Moon looks like and when it is occurring. The term Super Blood Wolf Moon means that the full moon in January was slightly closer to Earth and eclipsing.

A Half-Blood Moon is another name for a partial lunar eclipse. Half-Blood Moons, as the name suggests, look like half of a Blood Moon. Partial lunar eclipses occur sporadically and can occur from zero to a few times a year. The full moon during this month is no different in appearance than a full moon in any other month. Its namesake originates from historic North America where hunters would hunt into the night to collect meat for the coming winter. Calling an October moon a Blood Moon refers to the gore of hunted animals, not the color of the moon.

This type of lunar event occurs, on average, times a year. The total duration of a lunar eclipse can last a couple hours. The Moon can be in totality completely behind the Earth for minutes to around an hour. Blood Moons and Half-Blood Moons are safe to view with the naked eye, but the experience can be enhanced with astronomy gear. Cameras with a long exposure can capture the vibrant sight in detail but smartphone cameras also get the idea.

Telescopes and binoculars can increase the clarity in which the backyard astronomer can see the event. Of course, a clear night is required to witness the eclipse so check your weather report.

Skip to content The January Blood Moon during totality. An illustration of the Earth blocking the Moon from the Sun creating a total lunar eclipse. Photo: NASA Why is the Moon red? The visible color spectrum including the wavelengths of four colors in nanometers. Types of Blood Moons During January , a spectacular and rare lunar event occurred called the Super Blood Wolf Moon.

A Half-Blood Moon. When can we view Blood Moons? A montage of images of the Moon as it eclipses. Asia, Australia, and the Pacific will be able to view the next blood moon eclipse on May 26, North America, South America, Europe and Africa will be able to see a blood moon next on May 16, In between, there will be plenty of partial lunar eclipses viewable during this time period Viewing Blood Moons from Earth Blood Moons and Half-Blood Moons are safe to view with the naked eye, but the experience can be enhanced with astronomy gear.

About The Author. She plans to pursue a career in physics and dreams to work at NASA.

   


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