umbra

The Blood Moon will be at its most stark across the West at about 05:12 BST, when around 90% of the Moon will be within the umbra.

From BBC ● Aug. 27, 2026

At the eclipse's maximum point, about 93% of the Moon's diameter will lie within Earth's dark central shadow, known as the umbra.

From Science Daily ● Aug. 5, 2026

In the umbra of these darkly tinged stories, readers will experience late-night fears and the sweet relief of daylight.

From Los Angeles Times ● May 15, 2024

When the moon passes partially into the umbra, it creates a partial eclipse, which looks as if there’s been a bite taken out of the moon.

From Slate ● Apr. 5, 2024

All were in the umbra of the magnificent hemlock.

From "Frightful's Mountain" by Jean Craighead George

Plato truly believ'd his archetypal Idēas to possess the fourth dimension: For since our solid is triple, but always Its shade only double, solids as umbrae Must lack equally one dimension also.

From The Poetical Works of Robert Bridges by Robert Bridges

The Justices of that day bore a heavier burden than their successors--hodie nominis umbrae.

From Ovington's Bank by Stanley J. Weyman

Virgil thought the odour exhaled by the Juniper tree noxious, and he speaks of the Juniperis gravis umbra:—     "Surgamus! solet esse gravis cantantibus umbra;     Juniperis gravis umbra; nocent et frugibus umbrae."

From Herbal Simples Approved for Modern Uses of Cure by William Thomas Fernie

Happily these umbrae pallentes have now vanished, and I trust we will make the ties of friendship closer and stronger by establishing between us a community and exchange of prayers.

From Memoirs of James Robert Hope-Scott, Volume 2 by Robert Ornsby

But the ancient /habitues/—the /magni nominis umbrae/, contemporaries of Brummell in his zenith, boon companions of George IV. in his regency— still haunted the spot.

From My Novel — Volume 11 by Edward Bulwer Lytton, Baron Lytton

The darker central portions of sunspots, or umbras, have the strongest magnetic fields; the lighter exteriors, or penumbras, the weaker fields.

From Time Magazine Archive

"Because the umbras have opposite polarities, they attract each other," says the Marshall Center's Moore.

From Time Magazine Archive

Occasionally, the penumbras of two sunspots of opposite polarity merge as they move past each other, putting the oppositely charged umbras in contact.

From Time Magazine Archive

As here represented, there are formed complete shadows, called umbras; and partial shadows, called penumbras.

From Harper's New Monthly Magazine, Vol. 3, July, 1851 by Various

So Brother Copas had told her, to himself repeating— "Cras amorum copulatrix inter umbras arborum Inplicat casas virentes de flagello myrteo...."

From Brother Copas by Sir Arthur Thomas Quiller-Couch