The Phenomenon of the Black Moon
In a world where lunar events like ‘blood,’ ‘super,’ and ‘blue’ moons captivate our imagination, enter the ‘black moon.’ Occurring during the new moon phase, a black moon is an intriguing event. However, planetary scientists caution that this weekend’s black moon will be invisible to the naked eye. So what exactly is a black moon and why will it vanish into the daylight?
Understanding New Moon Phases
The new moon phase occurs when the moon is nearly between Earth and the sun. During this time, the side of the moon facing the sun is illuminated, while the side that Earth sees is enveloped in darkness. Thus, it is during this phase, however, that the moon is not visible at night—including during the black moon.
The Science Behind the Black Moon
Due to the moon’s gravitational lock with Earth, we always see the same side. Thus, when the illuminated side is facing away from us, it coincides with the new moon phase. Though the term ‘black moon’ is unofficial in astronomical circles, it can refer to one of two occurrences: when there are two new moons within the same calendar month or when a season experiences four new moons, labeling the third new moon as the black moon.
Details of This Weekend’s Event
This weekend’s black moon is significant—it is the third new moon of the summer season. Interestingly, this lunar event will coincide with the upcoming autumnal equinox on September 22, when day and night become roughly equal. While the black moon will rise and set alongside the sun, its position ensures it will be virtually invisible at night.
Stargazing Opportunities
Despite the absence of the black moon, enthusiasts shouldn’t be disheartened. This is a prime opportunity to explore other celestial wonders. For instance, astronomers recommend targeting the Dumbbell Nebula (M27), a beautiful celestial body shaped like a dumbbell. With a telescope, stargazers can catch glimpses of this nebula located between the bright stars Altair and Deneb.
Looking Forward: Future Black Moons
If you’re eager to catch a black moon in the future, circle August 31, 2027, on your calendar. This particular event will be a black moon since it will represent the second new moon of that calendar month—an occurrence predicted to happen every few years cycle.
Conclusion: An Invisible Celestial Event
This weekend’s black moon may not provide the dazzling visual spectacle that other lunar events offer, but it does present an opportunity to delve into the fascinating science of lunar cycles. While we won’t catch a glimpse of the black moon itself, we can appreciate the grandeur of the universe around us.
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