umbra
Example Sentences
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In London, the eclipse will begin at 03:33 BST and deepen until maximum eclipse at 05:12 BST, when around 90% of the Moon will be immersed in Earth's umbra, the darkest part of its shadow.
From BBC • Jun. 6, 2026
When the moon is within the umbra, the darkest part of Earth’s shadow, it looks red-orange, giving the eclipse the name “blood moon.”
From Los Angeles Times • Mar. 11, 2025
And when the moon is fully in the umbra, that’s a total eclipse.
From Slate • Apr. 5, 2024
A solar eclipse occurs when a new moon aligns perfectly between Earth and the sun and briefly casts a shadow on our planet, called an umbra.
From National Geographic • Oct. 2, 2023
All were in the umbra of the magnificent hemlock.
From "Frightful's Mountain" by Jean Craighead George
Vocabulary lists containing umbra
Eclipse Vocabulary
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Space Science (Astronomy) - High School
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The Moon - High School
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