blood moon

noun

variants or Blood Moon

plural blood moons or Blood Moons

: a full moon that coincides with a full lunar eclipse and that has an unusually reddish appearance

Note: The red color of a blood moon is caused by the diffusion of the sun's light into the shadow cast by the Earth.

And when it [the full moon] is eclipsed by the shadow of the Earth, it is called a blood moon as it turns a crimson color.—

IFLSCIENCE.com (London)

Through the little windows over the deep double kitchen sink, I saw a big sliver of blood moon sinking below the distant mountains.—

David Erik Nelson

also : a full lunar eclipse during which a blood moon occurs

A blood moon is the unscientific name for a total lunar eclipse, which is when Earth passes in between the sun and the moon, casting a shadow over the moon as sunlight is blocked. —

BreakingNews.ie

Examples of blood moon in a Sentence

Recent Examples on the Web

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The first blood moon will occur between March 13–14 and will be best visible from North America, with totality lasting 65 minutes. —

Dan Perry, Newsweek, 2 Jan. 2025 This bathes our natural satellite in a rusty glow, giving this celestial event its more accurate nickname: a blood moon. —

Carlyn Kranking, Smithsonian Magazine, 30 Dec. 2024 Sanguine or blood moon are other common names for the hunter's moon. —

Haadiza Ogwude, The Enquirer, 18 Oct. 2024 In 7 Days, Disney Says Rio says this is Agatha’s trial, given the blood moon outside, which indicates that the veil between the living and the dead is at its thinnest. —

Katie Campione, Deadline, 9 Oct. 2024 By Anna Gordon September 17, 2024 12:06 PM EDT On Tuesday evening, stargazers in North America, South America, Europe, and Africa will be treated to three celestial events taking place at the same time: the harvest moon, a blood moon, and a supermoon. —

Anna Gordon, TIME, 17 Sep. 2024 Three lunar spectacles combined Tuesday night for an epic viewing experience for Texas stargazers: a super harvest moon, a blood moon, and a partial lunar eclipse. —

Ariana Garcia, Chron, 18 Sep. 2024 During a total lunar eclipse, Earth’s shadow can turn the moon’s surface a striking red color, which is known as a blood moon, according to NASA. —

Ashley Strickland, CNN, 17 Sep. 2024 During a lunar eclipse, the Earth’s shadow partially blocks the sun’s light from reaching the moon, giving it a reddish appearance often referred to as a blood moon. —

Anna Gordon, TIME, 17 Sep. 2024