as in white dwarf
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Recent Examples of brown dwarf
Another possibility is that the presence of phosphine is somehow related to the intrinsic chemical composition of the brown dwarf.
—
Keith Cooper, Space.com, 7 Oct. 2025
The first brown dwarfs were only found in the 1990s.
—Phil Plait, Scientific American, 12 June 2025
See All Example Sentences for brown dwarf
Keith Cooper, Space.com, 7 Oct. 2025
The first brown dwarfs were only found in the 1990s.
—Phil Plait, Scientific American, 12 June 2025
See All Example Sentences for brown dwarf
Recent Examples of Synonyms for brown dwarf
Noun
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For so many elements to still be visible implies that their accretion onto the white dwarf must have happened relatively recently — within the past 35,000 years.—
Keith Cooper,
Space.com,
24 Oct. 2025
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Another potential cause is a white dwarf — a dead star as heavy as our sun but condensed to the size of Earth — being ripped apart by a rare intermediate-mass black hole.—
Ashley Strickland,
CNN Money,
22 Sep. 2025
Noun
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As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the mass of our sun into a small volume.—
Keith Cooper,
Space.com,
24 Oct. 2025
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In the 10 years since then, scientists have detected hundreds of black holes coming together, as well as other extreme cosmic events like neutron stars colliding and black holes merging with a neutron star.—
Nell Greenfieldboyce,
NPR,
11 Sep. 2025
Noun
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Using artificial neutral networks, his tool allows astronomers to distinguish true binary star systems from chance alignments in massive data sets like the European Space Agency’s Gaia mission.—
Regina Elling,
San Diego Union-Tribune,
23 Sep. 2025
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The double stars of Albireo are considered a binary star system, just over 400 light-years away, with just one light-year equaling nearly 6 trillion miles.—
Mike Lynch,
Twin Cities,
14 Sep. 2025
Noun
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First, locate the red star Betelgeuse using a smartphone astronomy app.—
Anthony Wood,
Space.com,
20 Oct. 2025
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The yellow ball, with its signature blue stripe and red star, can be spotted among other toys in movies like Monsters, Inc., Finding Nemo, The Incredibles, Up, Inside Out, and the Toy Story franchise.—
Kelly Connolly,
EW.com,
24 Aug. 2025
Noun
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The phosphine was identified in the cold atmosphere of a brown dwarf called Wolf 1130C, which exists in a triple system along with a low-mass red dwarf star and a white dwarf.—
Keith Cooper,
Space.com,
7 Oct. 2025
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The evolution of intelligent life around red dwarf stars is likely to be an uphill slog, due to the demands needed to jumpstart oxygenic photosynthesis.—
Bruce Dorminey,
Forbes.com,
15 Sep. 2025
Noun
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That will be the key variable in this entire season.—
Jeff Howe,
New York Times,
25 Oct. 2025
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Above all, Warrick said, timing remains the biggest variable in determining when and how companies can begin the refunding process.—
Sasha Rogelberg,
Fortune,
23 Oct. 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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The nebula has been observed shining in radio, X-ray and visible light, as the cloud of stellar material pushed outward by a supernova explosion 10,000 years ago comes into contact with the mass of interstellar gas beyond.—
Anthony Wood,
Space.com,
24 Oct. 2025
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Hubbard could be eased back into action, given that Dowdle has recently gone supernova.—
Andy Behrens,
New York Times,
17 Oct. 2025
Cite this Entry
“Brown dwarf.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brown%20dwarf. Accessed 29 Oct. 2025.
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