auroras

variants or aurorae
plural of aurora
as in sunrises
the first appearance of light in the morning or the time of its appearance a gorgeous pink aurora aroused us out of our slumber

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of auroras All three will look at specific factors around space weather and auroras, including volcanic pumice and solar activity. Kenna Hughes-Castleberry, Space.com, 21 Oct. 2025 In addition to the Orionid meteor shower reaching its peak, along with Comet Lemmon (C/2025 A6) and Comet C/2025 R2 SWAN making their closest approach to Earth today, sky-watchers could be treated to a round of colorful auroras before dawn. Valerie Mesa, PEOPLE, 20 Oct. 2025 Put simply, auroras are a result of the sun interacting with the Earth’s atmosphere. Mary Walrath-Holdridge, USA Today, 16 Oct. 2025 On Earth, auroras are caused by the solar wind interacting with our planet’s magnetic field. Chris Young, Interesting Engineering, 1 Oct. 2025 Two merging CMEs triggered the largest geomagnetic storm in two decades, which manifested in brightly colored auroras visible across the sky. Shirsh Lata Soni, JSTOR Daily, 13 Mar. 2025 These have a range of effects on the Earth, ranging from colorful but benign auroras to disruptions to satellite operations and navigation and communications systems. Ars Technica, 13 Mar. 2025 The Kp index, which measures geomagnetic activity on a scale of 0 to 9, should be at least 5 for auroras to be visible in areas farther south. Jamie Carter, Forbes, 12 Mar. 2025 Solar wind, as well as solar storms, are responsible for space weather that can affect Earth, creating beautiful auroras near the poles but also interfering with communications satellites and triggering outages of power grids. Ashley Strickland, CNN, 11 Mar. 2025
Recent Examples of Synonyms for auroras
Noun
  • Daylight saving time officially ends on the second-earliest possible date this year, giving way to earlier sunrises and sunsets.
    Addy Bink, The Hill, 5 Oct. 2025
  • Perched atop a rugged hill, our suite had a private pool, an outdoor shower and dining area, and postcard views of the sparkling waters–the sunrises from our east-facing bedroom were particularly magical.
    Talia Abbas, Vogue, 30 Sep. 2025
Noun
  • The images could help scientists further develop theories of how matter behaves in the extreme environments around supermassive black holes, which have masses of millions or even billions of suns and are found at the hearts of all large galaxies.
    Robert Lea, Space.com, 16 Sep. 2025
  • This new black hole, which is as heavy as 50 million suns and is dubbed QSO1, clashes with the old, provisional account of the galaxy formation process, which did not start with black holes.
    Quanta Magazine, Quanta Magazine, 12 Sep. 2025
Noun
  • Both teams decided to play on under secondary lighting only before the main lights eventually returned minutes into the contest.
    Julian McKenzie, New York Times, 23 Oct. 2025
  • Never use your high-beam lights.
    CA Weather Bot, Sacbee.com, 23 Oct. 2025

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Cite this Entry

“Auroras.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/auroras. Accessed 29 Oct. 2025.

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