variants
or aurorae
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
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Recent Examples of auroras
In the Southern Hemisphere, auroras may light up the skies over Antarctica, with a slim chance of visibility from Tasmania and southern New Zealand, according to the Met Office.
—
Daisy Dobrijevic, Space.com, 12 Sep. 2025
October is also a peak month for displays of the Northern Lights; if geomagnetic activity is high, some observers at northern latitudes may also see the comet amid auroras.
—Jamie Carter, Forbes.com, 10 Sep. 2025
In March 2024, NASA’s Perseverance Mars rover imaged visible-light auroras for the first time during a major solar flare and coronal mass ejection.
—Laura Baisas, Popular Science, 10 Sep. 2025
In mid-2024, auroras were observed as far south as central Mexico.
—Maria Azzurra Volpe, MSNBC Newsweek, 8 Sep. 2025
This year marks the apex in an 11-year cycle of activity, which means more solar storms and gorgeous auroras could be on the way soon.
—Jackie Wattles, CNN Money, 1 Sep. 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
Daisy Dobrijevic, Space.com, 12 Sep. 2025
October is also a peak month for displays of the Northern Lights; if geomagnetic activity is high, some observers at northern latitudes may also see the comet amid auroras.
—Jamie Carter, Forbes.com, 10 Sep. 2025
In March 2024, NASA’s Perseverance Mars rover imaged visible-light auroras for the first time during a major solar flare and coronal mass ejection.
—Laura Baisas, Popular Science, 10 Sep. 2025
In mid-2024, auroras were observed as far south as central Mexico.
—Maria Azzurra Volpe, MSNBC Newsweek, 8 Sep. 2025
This year marks the apex in an 11-year cycle of activity, which means more solar storms and gorgeous auroras could be on the way soon.
—Jackie Wattles, CNN Money, 1 Sep. 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
Recent Examples of Synonyms for auroras
Noun
-
Smartphones are surprisingly good at capturing sunrises, sunsets, and dramatic skies.—
Jordi Lippe-McGraw,
Forbes.com,
10 Sep. 2025
-
The moon turns red once it is completely blocked by Earth’s shadow, illuminated by red-orange light from the sunsets and sunrises on the Earth, Petro said.—
Taylor Nicioli,
CNN Money,
6 Sep. 2025
Noun
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With masses equivalent to millions or even billions of suns, supermassive black holes are too massive to have been born from dying stars; instead, it is theorized that they are created when smaller black holes collide and merge, and a chain of progressively larger and larger mergers.—
Robert Lea,
Space.com,
12 Sep. 2025
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The central young star, or protostar, weighing as much as 10 of our suns, is located 15,000 light-years away in the outer reaches of our galaxy.—
Eric Lagatta,
USA Today,
12 Sep. 2025
Noun
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Even back on board, the show continues after dark, with pelicans and reef sharks drawn to the yacht’s lights and sea lions sometimes clambering onto the aft deck.—
Rachel Ingram,
Forbes.com,
11 Sep. 2025
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The lights dim, music rises, and the room bursts into vibrant motion.—
Matthew Kayser,
USA Today,
11 Sep. 2025
Cite this Entry
“Auroras.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/auroras. Accessed 16 Sep. 2025.
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