Thesaurus results for BROWN DWARF

brown dwarf

noun

Definition of brown dwarf

as in white dwarf

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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

This investigation was conducted in ultraviolet light and using custom calibration to prevent flaring from the red dwarf companions from mimicking white dwarf signals.

— Robert Lea, Space.com, 14 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

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

The shim also embeds the policy so enforcement doesn’t rely exclusively on the external variable.

— Dan Goodin, ArsTechnica, 14 July 2026
The Carry's replaceable battery supplies up to four hours of training time (variable on usage and operating conditions) per charge.

— Shirl Leigh July 13, New Atlas, 13 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

This leaves the core as a stellar remnant, either a neutron star or a black hole, initially surrounded by an expanding shell of supernova debris.

— Robert Lea, Space.com, 10 July 2026
Plenty of cosmic wonders are expected to be revealed by the telescope, including thousands of previously unseen asteroids, exploding supernova stars and millions of distant galaxies.

— Eric Lagatta, USA Today, 7 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 25 Jul. 2026.

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Synonyms of brown dwarf

noun

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