How to Use penumbra in a Sentence

penumbra

noun

• This is made up of the time when the Moon hits the penumbra and umbra.
  — Joshua Hawkins, BGR, 17 Nov. 2021
• The rest of the moon is covered by the outer part of the Earth's shadow, called the penumbra.
  — AL.com, 7 Aug. 2017
• The full moon will move into the outer part of the Earth's shadow, the penumbra.
  — Jenna Prestininzi, Detroit Free Press, 24 Mar. 2024
• The whole moon is in Earth’s penumbra, but the dimming is subtle.
  — Leigh Morgan, al, 15 May 2022
• And that led her down to the upper penumbra of the theater district.
  — Christopher Bonanos, Curbed, 5 Nov. 2021
• When does the last bit of penumbra cease to be visible?
  — Curtis Roelle, baltimoresun.com/maryland/carroll, 31 Oct. 2020
• The moon will begin touching the outer shadow of the Earth (known as the penumbra) at 8:41 p.m. ET.
  — Diana Leyva, The Courier-Journal, 3 Sep. 2024
• The moon will begin touching the outer shadow of the Earth (known as the penumbra) at 7:41 p.m. CT.
  — Diana Leyva, The Tennessean, 3 Sep. 2024
• The entire process should end by this time as the moon slowly exits the Earth's penumbra.
  — Eric Lagatta, USA TODAY, 1 Mar. 2025
• 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 umbra is much darker than the penumbra and fairly sharp-edged.
  — Joe Rao, Space.com, 9 Mar. 2025
• Here’s how to watch it from home On Friday, the moon will pass through the Earth’s outer shadow, known as the penumbra.
  — Big Think, 24 June 2024
• This is from the Earth’s lighter shadow, called the penumbra, that is barely visible to the naked eye.
  — Dean Regas, The Enquirer, 10 May 2022
• The penumbra is the partial outer shadow, and the umbra is the full, dark shadow.
  — Ashley Strickland, CNN, 3 May 2022
• The penumbra is the partial outer shadow, and the umbra is the full, dark shadow.
  — Ashley Strickland, CNN, 16 July 2019
• First contact is when the moon’s leading edge moves into the penumbra.
  — Phil Plait, Scientific American, 6 Mar. 2025
• First contact is when the moon’s leading edge moves into the penumbra.
  — Phil Plait, Scientific American, 6 Mar. 2025
• The partial outer shadow is called the penumbra; the full, dark shadow is the umbra.
  — Ashley Strickland, CNN, 5 Feb. 2023
• The partial outer shadow is called the penumbra; the full, dark shadow is the umbra.
  — Ashley Strickland, CNN, 6 Jan. 2023
• The partial outer shadow is called the penumbra; the full, dark shadow is the umbra.
  — Ashley Strickland, CNN, 5 Feb. 2023
• The partial outer shadow is called the penumbra; the full, dark shadow is the umbra.
  — Ashley Strickland, CNN, 5 Feb. 2023
• This causes the moon to move through the outer part of Earth's shadow, which is called the penumbra, according to Time and Date.
  — The Arizona Republic, 22 Mar. 2024
• The penumbra, or outside edge of the Earth's shadow, covers the remaining portion of the moon.
  — Janet Loehrke, USA TODAY, 13 Sep. 2024
• At that moment, the penumbra will cover 76.5 percent of the lunar disk.
  — Joe Rao, Scientific American, 17 Oct. 2013
• The penumbra is the outer edge of the Earth's shadow, lasting over six hours, and the umbra is the deepest part of the shadow, lasting 3.5 hours.
  — Sherry Liang, CNN, 18 Nov. 2021
• Castle Sands pool sits in the penumbra of castle ruins.
  — Freya Bromley, Condé Nast Traveler, 21 Nov. 2023
• First, the moon will enter Earth’s penumbra, or the outer part of its shadow, at 11:57 p.m. ET Thursday.
  — Ashley Strickland, CNN, 13 Mar. 2025
• His passing coincided with the penumbra eclipse of the moon, like Spain’s shadow from the outer edge of the art world’s face.
  — Bruce Sterling, WIRED, 31 Dec. 2012
• This occurs when the moon passes through the Earth’s partial shadow, or penumbra.
  — Laura Baisas, Popular Science, 15 Mar. 2023
• The first phase will begin when the moon enters Earth’s penumbra or outer shadow.
  — Monica Cull, Discover Magazine, 4 Mar. 2025