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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Subtle irregularities in how the brown dwarfs moved hinted that something unseen was tugging on them—something in an unusual orbit.
—
Thomas G. Moukawsher, MSNBC Newsweek, 17 Apr. 2025
This means one of the brown dwarfs eclipses the other, as seen from our vantage point on Earth.
—Robert Lea, Space.com, 16 Apr. 2025
Scientists think one possibility is that the auroras are driven by an orbiting planet or moon interacting with the brown dwarf’s intense magnetic field.
—Jake Parks, Discover Magazine, 24 Mar. 2025
The brown dwarf is unlikely to be habitable, as it was found to be about 400 degrees Fahrenheit or 200 degrees Celsius.
—Hannah Hudnall, USA TODAY, 10 May 2024
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Thomas G. Moukawsher, MSNBC Newsweek, 17 Apr. 2025
This means one of the brown dwarfs eclipses the other, as seen from our vantage point on Earth.
—Robert Lea, Space.com, 16 Apr. 2025
Scientists think one possibility is that the auroras are driven by an orbiting planet or moon interacting with the brown dwarf’s intense magnetic field.
—Jake Parks, Discover Magazine, 24 Mar. 2025
The brown dwarf is unlikely to be habitable, as it was found to be about 400 degrees Fahrenheit or 200 degrees Celsius.
—Hannah Hudnall, USA TODAY, 10 May 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 1 May. 2025.
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