as in white dwarf
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Recent Examples of brown dwarf
And bumps in the early light curve of a supernova could indicate the presence of a close companion – a nearby star, brown dwarf or giant planet – that has become caught up in the conflagration.
—
Keith Cooper, Space.com, 19 Aug. 2025
The first brown dwarfs were only found in the 1990s.
—Phil Plait, Scientific American, 12 June 2025
Evidence for a polar circumbinary exoplanet orbiting a pair of eclipsing brown dwarfs.
—Thomas G. Moukawsher, MSNBC Newsweek, 17 Apr. 2025
However, in this case, there are two brown dwarfs involved here.
—Andrew Paul, Popular Science, 16 Apr. 2025
See All Example Sentences for brown dwarf
Keith Cooper, Space.com, 19 Aug. 2025
The first brown dwarfs were only found in the 1990s.
—Phil Plait, Scientific American, 12 June 2025
Evidence for a polar circumbinary exoplanet orbiting a pair of eclipsing brown dwarfs.
—Thomas G. Moukawsher, MSNBC Newsweek, 17 Apr. 2025
However, in this case, there are two brown dwarfs involved here.
—Andrew Paul, Popular Science, 16 Apr. 2025
See All Example Sentences for brown dwarf
Recent Examples of Synonyms for brown dwarf
Noun
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Instead, these stars leave behind a white dwarf.—
Robert Lea,
Space.com,
25 Aug. 2025
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What’s left behind is a massive white dwarf with a hydrogen-helium layer that’s 10 billion times thinner than usual, allowing detectable carbon to reach the surface.—
Andrew Paul Aug 6,
Popular Science,
6 Aug. 2025
Noun
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In this region, stellar populations are sparse, and stars with the necessary mass needed to go supernova and to birth a neutron star at the heart of a pulsar should be vanishingly rare.—
Robert Lea,
Space.com,
2 Sep. 2025
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But an unseen companion like a neutron star could be siphoning material away from the larger star — and that may have been enough to release a burst of radio waves, Blanchard said.—
Ashley Strickland,
CNN Money,
26 Aug. 2025
Noun
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Antares is, in reality, a binary star system, made up of a red supergiant star with a white main sequence companion, though the light of the red giant dominates the naked-eye view from Earth.—
Anthony Wood,
Space.com,
29 Aug. 2025
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Detecting and analyzing these oddities can help Bédard, Sahu, and other researchers gain a more comprehensive understanding of the ultimate fate of many binary star systems.—
Andrew Paul Aug 6,
Popular Science,
6 Aug. 2025
Noun
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Aldebaran, the red star that represents the 'right eye' of the bull, appears to be part of the cluster, but is actually located a mere 65 light-years from us.—
Anthony Wood,
Space.com,
17 Aug. 2025
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Blue and red stars shine brightly, while nearby blue spiral galaxies and distant red galaxy groups can also be seen.—
Eric Lagatta,
USA Today,
25 June 2025
Noun
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TRAPPIST-1e is the fourth planet in orbit around a red dwarf star called TRAPPIST-1.—
Robert Lea,
Space.com,
8 Sep. 2025
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Astronomers using the James Webb Space Telescope found a planet while observing Alpha Centauri, a system of three stars orbiting each other — binary stars Alpha Centauri A and B, along with the red dwarf star Proxima Centauri.—
Jamie Carter,
Forbes.com,
9 Aug. 2025
Noun
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Armed with the knowledge that disks have these slight warps, theorists have a new variable to input into their simulations of how planets are assembled, to gain new insights into how our Earth and the other planets of the solar system came to be.—
Keith Cooper,
Space.com,
27 Aug. 2025
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That's what good engineering provides, repeatable processes that work regardless of the specific variables.—
Malana VanTyler,
USA Today,
27 Aug. 2025
Noun
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After weeks, months and years of observations, astronomers will have a time-lapse record revealing anything that explodes, flashes or moves – such as supernovas, variable stars or asteroids.—
Samantha Thompson,
Space.com,
7 July 2025
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Many of these alerts will be triggered by variable stars, which cyclically change in brightness.—
IEEE Spectrum,
IEEE Spectrum,
23 June 2025
Noun
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This revealed that the supernova explosion erupted between 10,000 and 20,000 years ago and that Calvera is between 13,000 and 16,500 light-years away.—
Robert Lea,
Space.com,
2 Sep. 2025
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The combination of supernova, cosmic microwave background, and large-scale structure data all appeared to demand it.—
Ethan Siegel,
Big Think,
29 Aug. 2025
Cite this Entry
“Brown dwarf.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brown%20dwarf. Accessed 10 Sep. 2025.
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