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According to NASA, early Monday morning, November 30, sky watchers will see another November full moon as the penumbral eclipse occurs. It is an event when the Moon passes through the outer shadow of the Earth.
It will take four hours and 21 minutes for the Moon to slide over the pale outer fringe (penumbra) of the Earth’s shadow, but never meet the dark shadow of the shadow. A penumbral eclipse is quite a minor astronomical event that is usually difficult for many people to detect unless at least 70% of the Moon’s diameter is immersed in it, Space.com reported.
For a moment, the Moon will be at its maximum on November 30th, at 4:30 am EST. But it will appear complete starting Saturday November 29th through Tuesday December 1st.
(Photo: Pixabay)
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Also Read: Penumbral Eclipse, Leonid Meteor Shower and More: November Sky Events to Watch Out for
An eclipse of penumbra
Penumbral eclipses differ in many ways from total or partial lunar eclipses, according to ScienceAlert. The Earth passes directly between the Sun and the Moon during a total lunar period, which prevents sunlight from entering the Earth’s natural satellite.
Furthermore, the Moon passes through a part of the dark shadow of the Earth, known as the Umbrian, during partial eclipses, unlike the penumbral eclipse which glides through the pale outer shadow of the planet.
According to NASA, “the darkening of the moon during this eclipse will probably not be evident without instrumentation, but for spacecraft on the moon such as the Lunar Reconnaissance Orbiter (LRO), the reduction in solar energy will be evident.”
The November full moon is also called beaver moon which comes late this year because October this year had two full moons: the harvest moon and the blue moon; the first time in over 76 years, a full moon was visible in the United States during Halloween.
This month’s full moon has many names, such as cold moon, frost moon, oak moon, baby moon, winter moon, and moon before Yuletide.
According to NASA, the full moon is also celebrated by different cultures around the world, such as during the Kartik Purnima celebrated by Hindus, Sikhs and Jains. Similarly, Hindus celebrate Karthika Deepam, Buddhists in Myanmar and Burma celebrate the Tazaungdaing Moon Festival, and Ill Poya is celebrated in Sri Lanka.
See the penumbral eclipse from the moon
Space.com reports that an astronaut on the moon during a penumbral eclipse will be able to witness a solar eclipse, depending on which specific part of the moon the astronaut is standing on. But as seen from Tycho Crater, the shape of the Earth is unlikely to cause a noticeable decrease in light on the Moon’s surface.
But looking from the upper edge of the moon into the Mare Frigoris, a region also known as the “Sea of Cold”, the Earth will appear to cover more than eight tenths of the sun’s diameter. As a result, solar illumination on the moon will be considerably gloomy.
This decrease in sunlight on the Moon is what people in Earth’s Northern Hemisphere will be looking to detect during the penumbral eclipse on Monday.
Read more: what makes the next hunter’s blue moon rare
Find out more news and information about Eclipse and Full Moon in Science Times.
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