as in supernova
astronomy
a star that suddenly increases greatly in brightness and then within a few months or years becomes less bright again
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Recent Examples of nova
To get a separate measure of how unusual this is, the researchers placed 8 million novas around the center of the galaxy, with the distribution being random but biased to match the galaxy's brightness under the assumption that novas will be more frequent in areas with more stars.
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John Timmer, Ars Technica, 27 Sep. 2024
John Timmer, Ars Technica, 27 Sep. 2024
Recent Examples of Synonyms for nova
Noun
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That means that this dataset of nearby supernovas is several times larger than previous similar samples.—
Robert Lea,
Space.com,
20 Feb. 2025
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Among the supernovas in the data will be other transient events such as variable stars and kilonovas, the violent collision between extreme dense stellar remnants called neutron stars.—
Robert Lea,
Space.com,
27 Jan. 2025
Noun
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Space is a major source of gamma-rays, with these high energy photons created in various powerful cosmic events like the supernova death of massive stars and objects like the disks of gas and dust that surround feeding supermassive black holes and rapidly spinning neutron stars called pulsars.—
Robert Lea,
Space.com,
12 Feb. 2025
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The latter helped refine the locations of these pulsars, which are spinning neutron stars.—
John Loeffler,
Space.com,
7 Feb. 2025
Noun
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The luminous cores of distant, ancient galaxies, quasars expel jets of energetic matter.—
Ashley Strickland,
CNN,
13 Feb. 2025
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But other sources, like quasars, supernovae and gamma ray bursts, can fire off particles at extremely high energies.—
Michael Irving,
New Atlas,
29 Nov. 2024
Noun
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Additional Bearish Factors Multiple analysts took a broader approach, citing a range of variables as being behind bitcoin’s recent depreciation.—
Charles Lloyd Bovaird II,
Forbes,
26 Feb. 2025
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But this year saw a freak variable that prompted DraftKings to adjust the lines.—
J. Kim Murphy,
Variety,
26 Feb. 2025
Noun
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Unlike other supergiants, however, a segment of Bathynomus vaderi’s back section narrows and curves backward in a unique way.—
Margherita Bassi,
Smithsonian Magazine,
27 Jan. 2025
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These supergiant crustaceans produce a small number of eggs — only in the hundreds — which hatch as miniature versions of the adults, Sidabalok said.—
Julianna Bragg,
CNN,
17 Jan. 2025
Noun
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That year observations of a merging neutron star revealed that gravitational waves and electromagnetic waves arrived at Earth within three seconds of each other—after traversing a distance of 130 million light-years.—
Paul M. Sutter,
Scientific American,
26 Feb. 2025
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This is significant because globular clusters are associated with other powerful events associated with older stars, including the collisions and mergers of two neutron stars or a white dwarf collapsing under its own gravity.—
Robert Lea,
Space.com,
25 Feb. 2025
Noun
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This sell-off indicated a sense that the next wave of AI models may not require the tens of thousands of top-end GPUs that Silicon Valley behemoths have amassed into computing superclusters for the purposes of accelerating their AI innovation.—
Miles Klee,
Rolling Stone,
28 Jan. 2025
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For instance, Oracle recently chose AMD’s accelerated computing chips to power its latest supercluster for high-intensity AI workloads, after testing showed that AMD’s GPUs delivered low latency and strong performance at a competitive price.—
Trefis Team,
Forbes,
16 Jan. 2025
Cite this Entry
“Nova.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nova. Accessed 5 Mar. 2025.
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