Thesaurus results for BROWN DWARF

brown dwarf

noun

Definition of brown dwarf

as in white dwarf

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of brown dwarf The brown dwarf creates gravitational instability at distances equivalent to the distance between Mars and the sun, but this didn't prevent planets from forming in the system. — Robert Lea, Space.com, 23 June 2026 This mass straddles the line between that of gas giants and brown dwarf stars, leading astronomers to call the object a planetary-mass companion. — Jeanna Bryner, Scientific American, 18 June 2026 What’s left is likely to be a large gas giant, possibly somewhere between Jupiter and a brown dwarf star in mass. — ArsTechnica, 2 Jan. 2026 See All Example Sentences for brown dwarf

Recent Examples of Synonyms for brown dwarf

Noun

Mills found that the white dwarf in V445 Puppis has overcome its stellar indigestion and is once again feeding on its companion helium star.

— Robert Lea, Space.com, 24 July 2026
The planet either warmed up while engulfed during the red giant phase, or began heating as gravity pulled it closer to the resultant white dwarf.

— Andrew Paul, Popular Science, 1 July 2026

Definition of white dwarf

Noun

Second, the array will track decay pathways that mirror stellar reactions, showing how heavy elements form during supernovae and neutron star collisions.

— Aman Tripathi, Interesting Engineering, 1 Aug. 2026
Previous studies had suggested that the dark object was a neutron star.

— Keith Cooper, Space.com, 14 July 2026

Definition of neutron star

Noun

After a welcome presentation and cocktail party—Kir Royales in hand—slip into Moments, the onboard restaurant by German Michelin‑starred chef David Görne, whose cooking has held a red star since 2016 and a Green Star for sustainability since 2020.

— Lewis Nunn, Forbes.com, 21 July 2026
The lunar disk will appear to draw closer to the red light of Antares as the pair track a low arc over the southern horizon, before finally setting at sunrise on May 31, with the red star having transitioned to the top of the silver moon.

— Anthony Wood, Space.com, 29 May 2026

Definition of red star

Noun

This binary consists of a pre-main-sequence star that has gathered mass but hasn't yet triggered the fusion of hydrogen to helium in its core, and its companion, a red dwarf star.

— Robert Lea, Space.com, 17 July 2026
Looking at a red dwarf improves matters, since there’s less light overall, and planets are relatively larger compared to these small stars.

— John Timmer, ArsTechnica, 16 July 2026

Definition of red dwarf

Noun

Persistence is the variable that converts a rare unsafe path into a likely one.

— Ashish Bhatia, Forbes.com, 1 Aug. 2026
The biggest variable between now and November is energy, Harker said, and no economic tool allows the administration to control what happens in the Persian Gulf.

— Kevin Rector, Los Angeles Times, 30 July 2026

Definition of variable

Noun

This variable star is also located 250 light-years from Earth, but is sadly lost from view in the glare of the sun during the summer months.

— Anthony Wood, Space.com, 29 June 2026
Mroz counters, however, that none of those cases are actual microlensing events and instead the mere fluctuations of ordinary variable stars.

— Jonathan O'Callaghan, Scientific American, 4 June 2026

Definition of variable star

Noun

What to read next That has implications for our understanding of another type of cosmic eruption, this time a type of supernova called a Type Ia supernova.

— Robert Lea, Space.com, 24 July 2026
But compared with last year — when Jacob Elordi, Dwayne Johnson, Emma Stone, George Clooney and Julia Roberts helped turn Venice into a red-carpet supernova — the wattage is noticeably dimmer.

— Scott Roxborough, HollywoodReporter, 23 July 2026

Definition of supernova

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“Brown dwarf.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brown%20dwarf. Accessed 4 Aug. 2026.

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Synonyms of brown dwarf

noun

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