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Lunar Eclipse (2025)
Mar 13 - the Umbra tartan for the Worm Moon Lunar Eclipse (2025)!
🎶 Oh, I'm bein' followed by a moonshadow
Moonshadow, moonshadow
Leapin' and hoppin' on a moonshadow
Moonshadow, moonshadow"
~ Moonshadow, Cat Stevens, 1971
Traditional names for March Moons are: Worm Moon, Sap Moon, Crow Moon, Wind Moon, and Plough Moon! This umbra illusion tartan uses amongst other shades of black, white, and grey, a particular shade called "eclipse" !
The upcoming Total Lunar Eclipse, often referred to as the "Blood Worm Moon," is set to occur on March 13–14, 2025. This event will be the first total lunar eclipse since November 2022. At this time, the earthworms are starting to emerge from the thawing ground in the Northern Hemisphere. This signals the arrival of spring and provides food for returning birds!
During this eclipse, the Moon will pass entirely through Earth's umbral shadow, resulting in a totality phase lasting approximately 1 hour and 6 minutes. The sequence of the eclipse will unfold over several hours, with the penumbral phase beginning at 8:57 p.m. PDT on March 13 and concluding at 3:00 a.m. PDT on March 14.
Lunar eclipses occur when the Sun, Earth, and Moon align such that the Moon passes into Earth's shadow. The Earth's shadow consists of two parts: the penumbra, a partial outer shadow, and the umbra, the full, dark inner shadow. During a total lunar eclipse, the Moon traverses both regions, leading to the characteristic darkening and reddening of its surface.
The reddish hue observed during totality, often called the "Blood Moon" effect, results from Earth's atmosphere filtering out shorter-wavelength blue light while allowing longer-wavelength red and orange light to reach the Moon's surface. This scattering effect is similar to the colors seen during sunrise and sunset. 🖤 🤍 ❤️ 🪱 🌘 🌑 🌒
The umbra, penumbra and antumbra are three distinct parts of a shadow, created by any light source after impinging on an opaque object.
Lunar eclipses occur when the Moon passes through the shadow of the Earth. They only occur during a full moon when the Earth is between the moon and the sun. There can be total, partial, and penumbral lunar eclipses.
Similarly, solar eclipses occur when the Earth passes through the Moon's shadow.
This umbra illusion tartan created by designer Carol A.L. Martin, uses amongst other shades of black, white, and grey, a particular shade called "eclipse."
In August 2008, the Full Moon slid across the northern edge of the umbra. Entertaining moon watchers throughout Earth's eastern hemisphere, the lunar passage created a deep but partial lunar eclipse. This composite image above uses successive pictures recorded during the eclipse from Athens, Greece to trace out a large part of the umbra's curved edge. The result nicely illustrates the relative size of the umbra's cross section at the distance of the Moon, as well as the Moon's path through the Earth's shadow.
And for spectacular moon umbra pictures taken from space during the great eclipse of 2017, click the umbra above.