Science

Prepare for an Eerie Blood Moon This September!

2025-08-29

Author: Ying

A Spectacular Celestial Show Awaits!

Mark your calendars for the night of September 7 and 8, when the Moon will transform into a hauntingly beautiful blood red for an astonishing 82 minutes! This mesmerizing event occurs as Earth perfectly aligns between the Sun and a full Moon, creating the year's second and final total lunar eclipse.

What Makes the Moon Turn Blood Red?

During this eclipse, Earth's shadow will completely engulf the Moon, plunging its surface into darkness while casting eerie red hues. This intriguing phenomenon is known as a "blood moon." The reddish tint emerges from a process called Rayleigh scattering, which occurs when sunlight is bent through Earth’s atmosphere.

The Influence of Atmospheric Conditions

NASA explains that the shade of red can vary depending on factors such as dust, clouds, or volcanic ash in the atmosphere. These elements can amplify the scattering effect, resulting in an even richer, deeper coloration.

A Disappointment for American Stargazers

Sadly, those in the United States will miss out on this magnificent display. The eclipse will commence at 11:28 AM EDT, but by that time, the full Moon will have already dipped below the horizon in North and South America, leaving Americans gazing at empty skies.

Looking Ahead: What's Next for Lunar Eclipses?

Don't fret, lunar enthusiasts! The next total lunar eclipse won’t occur until 2025, and it will be visible to a staggering 77% of the global population. Countries in Asia, Australia, Africa, and Europe will have the best views, particularly in Asia and Western Australia, where the sights will be at their most breathtaking with a total eclipse.

Understanding Total Lunar Eclipses

Total lunar eclipses happen only during a full moon when the Moon, Earth, and Sun are perfectly aligned. This alignment allows the Moon to pass entirely through Earth’s umbra, the darkest and innermost section of its shadow, offering a breathtaking cosmic performance.