brown dwarf
noun
: a celestial object that is much smaller than a normal star and has insufficient mass to sustain nuclear fusion but that is hot enough to radiate energy especially at infrared wavelengths
Examples of brown dwarf in a Sentence
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On the matter of planet or brown dwarf, Stefánsson's team remain open-minded.
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Keith Cooper, Space.com, 5 Feb. 2025
This graphic compares a Sun-like star with a red dwarf, a typical brown dwarf, an ultra-cool brown dwarf, and a planet like Jupiter.
—Big Think, 13 Jan. 2025
The formation of the brown dwarf pair is still unknown.
—Mrigakshi Dixit, Interesting Engineering, 16 Oct. 2024
Some theories say brown dwarf pairs were seeded from the materials that surround a forming star.
—Paul Smaglik, Discover Magazine, 16 Oct. 2024
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Keith Cooper, Space.com, 5 Feb. 2025
This graphic compares a Sun-like star with a red dwarf, a typical brown dwarf, an ultra-cool brown dwarf, and a planet like Jupiter.
—Big Think, 13 Jan. 2025
The formation of the brown dwarf pair is still unknown.
—Mrigakshi Dixit, Interesting Engineering, 16 Oct. 2024
Some theories say brown dwarf pairs were seeded from the materials that surround a forming star.
—Paul Smaglik, Discover Magazine, 16 Oct. 2024
See All Example Sentences for brown dwarf
Cite this Entry
“Brown dwarf.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brown%20dwarf. Accessed 21 Apr. 2025.
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