How to Use protostar in a Sentence
protostar
noun-
The brown regions are where the dust is the thickest—and the greatest number of young protostars are forming.
—Jeffrey Kluger, Time, 12 July 2023
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This means the protostar can keep most of the surrounding matter for itself and doesn’t have to share.
—Sarah Kuta, Smithsonian Magazine, 17 Nov. 2022
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Light from the protostar spreads above and below this disc, according to a news release.
—Katie Hunt, CNN, 16 Nov. 2022
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Become a Subscriber The star in the image is a newborn in stellar terms, also called a protostar.
—Marina Koren, The Atlantic, 15 Sep. 2023
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When planets form, they are born out of the disks of gas and dust surrounding protostars in calm environments.
—Elizabeth Gamillo, Discover Magazine, 11 Sep. 2023
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One of these contracting masses of gas, known as a protostar, represents a star’s nascent phase.
—Catherine Zuckerman, National Geographic, 20 Mar. 2019
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As the protostar continues to gain mass and compress further, its core will continue to heat up.
—Jennifer Ouellette, Ars Technica, 16 Nov. 2022
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Layers of dust between Webb and the protostar give the regions their different colors.
—Sarah Kuta, Smithsonian Magazine, 17 Nov. 2022
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Brown dwarfs have been found in stellar nurseries alongside young protostars.
—Katelyn Allers, Scientific American, 1 Aug. 2021
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This image of the protostar looks almost like a fiery hourglass in space, giving off some fantastic science fiction vibes in the process.
—Joe Wituschek, BGR, 30 Dec. 2022
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That disk – seen as a dark band in front of the bright center, about the size of our solar system – feeds the material to the protostar and the core of the protostar's temperature rises.
—Julia Musto, Fox News, 17 Nov. 2022
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The material collects into a disk that feeds the protostar.
—Julia Musto, Fox News, 13 Jan. 2023
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V883 Ori is a protostar just hot enough for the water around it to turn to gas much farther out that with most stars—and therefore more easily visible to radio telescopes.
—Jamie Carter, Forbes, 8 Mar. 2023
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Because the dust in the nebulae obscures them, protostars can be difficult for astronomers to detect.
—Catherine Zuckerman, National Geographic, 20 Mar. 2019
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Rather, its energy comes from the radiation released by shockwaves on the surface of the protostar and its accretion disk.
—Jennifer Ouellette, Ars Technica, 16 Nov. 2022
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Star birth begins with the formation of a protostar as gravity pulls gas clouds together in a process known as accretion.
—Elizabeth Gamillo, Smithsonian Magazine, 16 Dec. 2021
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The bright patches and filaments denote areas with large numbers of protostars.
—Laura Baisas, Popular Science, 11 Oct. 2023
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In the center, the material clumped together to form a protostar that would eventually become the sun.
—Valerie Strauss, Washington Post, 9 Aug. 2017
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As such, it’s considered a class 0 protostar, at the earliest stages of its development and formation.
—Joshua Hawkins, BGR, 16 Nov. 2022
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Similar to how planets emerge from whirling protoplanetary disks of gas and dust around nascent protostars, large moons may form from smaller mini disks that arise around assembling gas giant worlds.
—Nola Taylor Tillman, Scientific American, 24 Apr. 2023
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Their hearts hold the keys to understanding a range of stellar bodies, from fledgling protostars to zombie white dwarfs, because deep within them lies an invisible force that can shape a star’s destiny: the magnetic field.
—Kevin Hartnett, Quanta Magazine, 22 Aug. 2023
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Toward the upper right are streaming red jets of molecular hydrogen, material that gets spewed out on either side of forming protostars.
—Katrina Miller, New York Times, 12 July 2023
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The new images reveal numerous structures inside the nebula, including proplyds -- a central protostar surrounded by a disk of dust and gas in which planets form.
—Katie Hunt, CNN, 12 Sep. 2022
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The material is then collected into an accretion disk that feeds a central protostar, according to NASA.
—Misty Severi, Washington Examiner, 12 Jan. 2023
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The darkest areas of the picture show thick dust cocoons still-forming protostars and red bipolar jets of molecular hydrogen appear horizontally across the upper third and vertically on the right.
—Julia Musto, Fox News, 12 July 2023
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These clouds outline the cavities that are created as material from the protostar’s growth is expelled, colliding with any surrounding matter.
—Joshua Hawkins, BGR, 16 Nov. 2022
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This creation story begins more than 4.5 billion years ago, when dust and gas from a giant molecular cloud gravitationally collapsed to create a protostar that would become our sun, surrounded by a spinning disk of gas and dust.
—Jonathan O'Callaghan, Scientific American, 8 Dec. 2020
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Masses of gas—mostly helium and hydrogen—within these stellar nurseries collapse under their own gravity and begin to heat up, forming a protostar.
—Jennifer Leman, Popular Mechanics, 13 June 2020
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Material falling into the protostar will then begin to interact with its magnetic fields.
—Elizabeth Gamillo, Smithsonian Magazine, 16 Dec. 2021
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The protostar doesn’t yet generate its own energy through nuclear fusion of hydrogen, an essential characteristic of stars.
—Katie Hunt, CNN, 16 Nov. 2022
Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'protostar.' 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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