How to Use umbra in a Sentence

umbra

noun
  • The part of the moon inside the umbra appears very dark.
    — Isa Almeida, Oklahoman, 2 Mar. 2026
  • This is made up of the time when the Moon hits the penumbra and umbra.
    — Joshua Hawkins, BGR, 17 Nov. 2021
  • The partial eclipse is on as the moon sinks deeper into the umbra.
    — Mike Lynch, Twin Cities, 9 Mar. 2025
  • The Moon contacts Earth’s umbra.
    — Ryan Brennan, Kansas City Star, 19 Feb. 2026
  • The moon will have finished its traversing of the Earth’s shadow, or umbra.
    — Brian Resnick, Vox, 24 July 2018
  • As the moon leaves the umbra, a partial — and then penumbral — eclipse is visible.
    — Jamie Carter, Space.com, 7 Mar. 2025
  • During the event, the moon moves through Earth's umbra, the dark center of its shadow.
    — Jamie Carter, Space.com, 24 Jan. 2025
  • During the event, the moon moves through Earth's umbra, the dark center of its shadow.
    — Jamie Carter, Space.com, 10 Sep. 2025
  • During the event, the moon moves through Earth's umbra, the dark center of its shadow.
    — Jamie Carter, Space.com, 4 June 2026
  • This is where the Moon makes contact with Earth’s umbra, and more of the surface will turn dark.
    — Ryan Brennan, Miami Herald, 19 Feb. 2026
  • The penumbra is the partial outer shadow, and the umbra is the full, dark shadow.
    — Ashley Strickland, CNN, 16 July 2019
  • The partial outer shadow is called the penumbra; the full, dark shadow is the umbra.
    — Ashley Strickland, CNN, 5 Feb. 2023
  • Total lunar eclipses happen in the deepest part of the shadow, called the umbra.
    — Miriam Fauzia, USA TODAY, 26 May 2021
  • The umbra is the inner, darker shadow where full blocking of sunlight takes place.
    — Ryan Brennan, Miami Herald, 19 Feb. 2026
  • This is when the Moon enters the umbra, and the change becomes more noticeable.
    — Ryan Brennan, Charlotte Observer, 19 Feb. 2026
  • The partial outer shadow is called the penumbra; the full, dark shadow is the umbra.
    — Ashley Strickland, CNN Money, 31 Dec. 2025
  • The partial outer shadow is called the penumbra; the full, dark shadow is the umbra.
    — Ashley Strickland, CNN Money, 31 Jan. 2026
  • The maximum state of this lunar eclipse will hit when the Moon is in the Earth’s umbra.
    — Joshua Hawkins, BGR, 17 Nov. 2021
  • This will be a partial lunar eclipse, when part of the moon will enter the umbra, or the Earth's full shadow.
    — Stefanie Waldek, Travel + Leisure, 5 May 2023
  • During many eclipse seasons, the moon merely skims Earth's penumbra and umbra.
    — Jamie Carter, Space.com, 27 Feb. 2026
  • The supermoon will be partially blocked out as the Earth’s shadow, or umbra, is cast over it.
    — Joe Mario Pedersen, orlandosentinel.com, 24 May 2021
  • Chart showing how the moon fits into Earth’s shadow (the umbra is the darkest portion).
    — Dave Mosher, WIRED, 17 June 2011
  • The moon casts its dark central shadow, called the umbra, onto a very narrow strip along the surface of the Earth.
    — National Geographic, 9 Mar. 2016
  • During a full lunar eclipse, the moon passes through the darkest part of the Earth's shadow -- the umbra.
    — Katie Hunt, Megan Marples and Ashley Strickland, CNN, 16 May 2022
  • In a total eclipse, the moon passes through Earth’s umbra, the darkest part of our planet’s shadow.
    — Margherita Bassi, Smithsonian Magazine, 4 Mar. 2025
  • Partial eclipses — when some of the full moon enters the umbra — can be striking events, but at no point does the lunar surface look reddish.
    — Jamie Carter, Space.com, 27 Feb. 2026
  • During a total lunar eclipse, the moon moves into the Earth's inner shadow, which is known as the umbra.
    — Melina Khan, USA Today, 3 Sep. 2025
  • In a partial lunar eclipse, the moon sits partly inside the Earth’s shadow, also known as the umbra.
    — Mariyam Muhammad, The Enquirer, 17 Sep. 2024
  • The penumbra is the outer part of the Earth’s shadow, while the umbra is the deepest and darkest part of the shadow.
    — Joshua Hawkins, BGR, 17 Nov. 2021
  • The entire event then goes into reverse, with the Moon exiting the umbra, then the penumbra.
    — Jamie Carter, Forbes, 12 May 2021

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'umbra.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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