Skywatchers will have the opportunity to end the year by experiencing a rare astronomical phenomenon called the “Black Moon.” The exotic-sounding term is often used to describe the second new moon to appear in the same calendar month. This is a phenomenon that is not officially recognized in astronomy, but over the years it has gained popularity among amateur astronomers and stargazers.
According to the US Naval Observatory, the unique event will occur on December 30 at 5:27 pm ET (2227 GMT). For people in the Americas, the dark moon will be visible only on December 30, while for people in Europe, Africa, and Asia, it will happen on December 31, 2024. In India, the black moon event can be seen around 3:57 am. On 31st December.
How does a black moon happen?
New moon occurs when the Sun and Moon share the same celestial longitude and the illuminated side of the Moon faces away from Earth, making it invisible to the naked eye. Since the lunar cycle averages 29.5 days, sometimes there can be two new moons in one month, causing the phenomenon of a black moon. This is similar to a Blue Moon – a phenomenon when two full moons appear in one month. Notably, the Moon is not visible during this phase unless there is a solar eclipse.
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what to expect?
Although the Black Moon itself will not be visible, its effect on the night sky is significant. Darkness allows better visibility of stars, planets, and even distant galaxies. Binoculars or a telescope can enhance views of planets such as Jupiter, which will be visible all night, and Venus, which will be bright in the evening sky.
For those living in the Northern Hemisphere, the constellations Orion, Taurus and Leo will be prominent in the night sky. Additionally, Orion’s Belt will be an excellent guide, with Sirius, the brightest star in the night sky, shining to the south.
Meanwhile, in the Southern Hemisphere, the Southern Cross (Crux) will be visible along with Canopus, a standout in the constellation Carina.