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
Recent Examples on the Web
Matthews says that both the brown dwarfs likely formed from the same material, and at the same time, as Eps Ind Ab and its parent star.
—
Tom Hawking, Popular Science, 24 July 2024
In the case of brown dwarfs, though, that shine is pretty faint.
—Phil Plait, Scientific American, 19 Jan. 2024
Zoom out: Their new proposal would instead classify planets based on their mass, considering a planet to be any celestial body that:
orbits one or more stars, brown dwarfs or stellar remnants and,
is more massive than 10²³ kilograms (kg) and,
is less massive than 13 Jupiter masses (2.5 X 10²⁸ kg).
—Jacob Knutson, Axios, 11 July 2024
The article also says the brown dwarf is about 47 light-years away, which is much farther than the 7 trillion miles claimed in the video.
—Hannah Hudnall, USA TODAY, 10 May 2024
See all Example Sentences for brown dwarf 
Tom Hawking, Popular Science, 24 July 2024
In the case of brown dwarfs, though, that shine is pretty faint.
—Phil Plait, Scientific American, 19 Jan. 2024
Zoom out: Their new proposal would instead classify planets based on their mass, considering a planet to be any celestial body that:
orbits one or more stars, brown dwarfs or stellar remnants and,
is more massive than 10²³ kilograms (kg) and,
is less massive than 13 Jupiter masses (2.5 X 10²⁸ kg).
—Jacob Knutson, Axios, 11 July 2024
The article also says the brown dwarf is about 47 light-years away, which is much farther than the 7 trillion miles claimed in the video.
—Hannah Hudnall, USA TODAY, 10 May 2024
See all Example Sentences for brown dwarf
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'brown dwarf.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Brown dwarf.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brown%20dwarf. Accessed 20 Aug. 2024.
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