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
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
Frequent displays of auroras are expected through 2025 and into 2026.
—Jamie Carter, Forbes, 10 Mar. 2025
Although difficult to predict, auroras are common at present because solar activity is at a 23-year high, with the current solar cycle— which lasts about 11 years — much stronger than the last.
—Jamie Carter, Forbes, 10 Mar. 2025
Heightened solar activity might produce faint auroras in northern latitudes, giving another reason to head for dark skies.
—Jamie Carter, Forbes, 7 Mar. 2025
When the particle stream interacts with gases in the planet's magnetic field, stunning auroras are produced.
—Janet Loehrke, USA TODAY, 6 Mar. 2025
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
Frequent displays of auroras are expected through 2025 and into 2026.
—Jamie Carter, Forbes, 10 Mar. 2025
Although difficult to predict, auroras are common at present because solar activity is at a 23-year high, with the current solar cycle— which lasts about 11 years — much stronger than the last.
—Jamie Carter, Forbes, 10 Mar. 2025
Heightened solar activity might produce faint auroras in northern latitudes, giving another reason to head for dark skies.
—Jamie Carter, Forbes, 7 Mar. 2025
When the particle stream interacts with gases in the planet's magnetic field, stunning auroras are produced.
—Janet Loehrke, USA TODAY, 6 Mar. 2025
Cite this Entry
“Auroras.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/auroras. Accessed 23 Apr. 2025.
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