How to Use brown dwarf in a Sentence
brown dwarf
noun-
In this case, the brown dwarf is 10 times less massive than the dense white dwarf.
—Ashley Strickland, CNN, 24 Jan. 2020
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The object, known as a brown dwarf, is 33.2 light-years away from Earth.
—Ashley Strickland, CNN, 9 Apr. 2020
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On the opposite end of the brown dwarf mass scale lies the Accident.
—Jonathan O'Callaghan, Wired, 8 Aug. 2021
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An artist's conception of what a brown dwarf might look like.
—Nathaniel Scharping, Discover Magazine, 28 Nov. 2022
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What a brown dwarf might look like up close is also unclear.
—Jonathan O'Callaghan, Wired, 8 Aug. 2021
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Anything between those bounds, then, should be a brown dwarf.
—Nola Taylor Redd, Scientific American, 20 Apr. 2018
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At the time, researchers thought SIMP was a brown dwarf: an object that’s too big to be a planet, but too small to be a star.
—Jake Parks, Discover Magazine, 3 Aug. 2018
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These cool brown dwarfs can be spotted in telescope images of the night sky, and astronomers need your help to do it.
—Scistarter Team, Discover Magazine, 27 Dec. 2023
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Look through images of space and point out potential brown dwarfs near Earth.
—Scistarter Team, Discover Magazine, 27 Dec. 2023
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And Allers has figured out how to measure wind speed on a brown dwarf (2,300 kilometers per hour).
—Laura Helmuth, Scientific American, 19 July 2021
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What's the difference between a giant planet and a brown dwarf?
—David Grossman, Popular Mechanics, 24 Jan. 2018
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The first real brown dwarf candidate was only found at the end of 1988, just as the team was struggling with classifying their find.
—Nola Taylor Redd, Discover Magazine, 21 Apr. 2019
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Since the project began, citizens have spotted 432 candidates for brown dwarfs, which are balls of gas too small to be stars but too big to be planets.
—Alex Stuckey, Houston Chronicle, 23 Feb. 2018
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At Hunter, Alam began working with researchers studying brown dwarfs.
—Gary Strauss, National Geographic, 21 Oct. 2016
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Here, fellow earth dwellers can access the Backyard Worlds: Planet 9 mission, which prompts users to search the realm beyond Neptune for new brown dwarfs and planets.
—Kelly Corbett, House Beautiful, 28 Apr. 2020
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Webb is an ideal tool for such a search because the smallest stars—brown dwarfs, which emit light from the fusion of deuterium—are most visible in infrared light.
—Eric Berger, Ars Technica, 14 Dec. 2023
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Building off Spitzer's work studying brown dwarfs, or objects that are too large to be planets but too small to be stars, Webb can take a closer look at their cloud properties.
—Ashley Strickland, CNN, 31 Jan. 2020
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Water-vapor clouds have been found before in brown dwarfs, hulking objects that hover on the border between planet and star.
—Michael Greshko, National Geographic, 11 Sep. 2019
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Schlaufman focuses on the differences between gas giants like Jupiter and brown dwarfs.
—David Grossman, Popular Mechanics, 24 Jan. 2018
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The first substantial catalog of free-floating worlds came not from planet hunters but from star hunters searching for starlike objects with even less heft than brown dwarfs.
—Quanta Magazine, 13 Nov. 2023
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While searching for brown dwarfs, the team also netted a few objects that appear to be more like planets than nuclearly bankrupt stars.
—National Geographic, 11 Jan. 2018
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Those brown dwarfs, unlike beta Pictoris, weren't surrounded by much gas or dust, so their new planet couldn't have formed by vacuuming up the stellar disk.
—Meghan Bartels, Space.com, 18 July 2018
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One of those surprises included the unexpected finding of a white dwarf star that's draining the life from its brown dwarf companion, according to a new study.
—Ashley Strickland, CNN, 24 Jan. 2020
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Citizen scientists, alongside machine learning algorithms, search through the images with a fine-toothed comb, on the lookout for anything that looks like a new brown dwarf.
—Nathaniel Scharping, Discover Magazine, 28 Nov. 2022
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Biller, an astronomer at the University of Edinburgh in Scotland, went on to note that the heavy world lies in the gray area between planet and brown dwarf and that some might object to classifying it as a planet.
—Nola Taylor Tillman, Scientific American, 13 Apr. 2023
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But scientists recently discovered a brown dwarf (an object bigger than a planet but not big enough to burn like a star) 18 light years from Earth that is believed to have a bright red aurora.
—Nathan Case Lancaster University, Discover Magazine, 10 Nov. 2015
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Nestled inside a stellar nursery, this region is home to hundreds of brown dwarfs, objects that don’t accrete enough material to form into a star.
—Katrina Miller, New York Times, 19 Dec. 2023
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The exoplanet, which is a brown dwarf, was originally discovered in 2016.
—Joshua Hawkins, BGR, 12 Sep. 2022
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Maybe brown dwarfs are really just overachieving planets.
—Phil Plait, Scientific American, 19 Jan. 2024
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Depending on its age and size, a brown dwarf might have an atmosphere containing titanium oxide or quartz.
—Laura Helmuth, Scientific American, 19 July 2021
Some of 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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