as in white dwarf
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Recent Examples of red giant
Every 78 to 80 years, the white dwarf in this binary system accumulates enough material from its companion red giant star to trigger a thermonuclear explosion.
—
Jamie Carter, Space.com, 2 Mar. 2025
One is directly, by observing 'standard candles' — that is, objects with predictable luminosities such as Cepheid variables, type Ia supernova explosions, and red giant stars — in galaxies and determining how far away they are based on the apparent brightness of these standard candles.
—Keith Cooper, Space.com, 22 Jan. 2025
As the red giant sheds its outer layers, the white dwarf will pull the hydrogen waste to its own surface.
—Jack Knudson, Discover Magazine, 6 Jan. 2025
In five billion years' time, our sun will turn into a white dwarf after its red giant phase.
—Keith Cooper, Space.com, 19 Dec. 2024
See All Example Sentences for red giant
Jamie Carter, Space.com, 2 Mar. 2025
One is directly, by observing 'standard candles' — that is, objects with predictable luminosities such as Cepheid variables, type Ia supernova explosions, and red giant stars — in galaxies and determining how far away they are based on the apparent brightness of these standard candles.
—Keith Cooper, Space.com, 22 Jan. 2025
As the red giant sheds its outer layers, the white dwarf will pull the hydrogen waste to its own surface.
—Jack Knudson, Discover Magazine, 6 Jan. 2025
In five billion years' time, our sun will turn into a white dwarf after its red giant phase.
—Keith Cooper, Space.com, 19 Dec. 2024
See All Example Sentences for red giant
Recent Examples of Synonyms for red giant
Noun
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This leaves behind a white dwarf as a gradually-cooling stellar ember.—
Robert Lea,
Space.com,
25 Apr. 2025
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The white dwarfs are currently orbiting around each other, with each orbit lasting over 14 hours.—
Margherita Bassi,
Smithsonian Magazine,
9 Apr. 2025
Noun
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According to Nine Planets, Uy Scuti is a supergiant red star that’s located in the constellation named Scutum.—
Michael Saponara,
Billboard,
25 Apr. 2025
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The tricolor has horizontal stripes of green, white, and black, with three red stars down the center stripe, which in the 1930s represented the three main states of Aleppo, Damascus, and Deir Ezzor.—
Taylor Luck,
Christian Science Monitor,
10 Apr. 2025
Noun
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Astronomers have theorized that supernovas such as these are caused by two white dwarfs orbiting each other in a binary star system, when one of them consumes the other.—
Margherita Bassi,
Smithsonian Magazine,
9 Apr. 2025
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After converging, the binary star system will explode into a Type 1a supernova.—
Julian Dossett,
Space.com,
7 Apr. 2025
Noun
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Planetary nebulae like Kohoutek 4-55 are the finale at the end of a giant star’s life.—
Robert Z. Pearlman,
Space.com,
15 Apr. 2025
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Pollux is a single giant star, more than 10 times the diameter of our sun, and shining a little more than 34 light-years away, with one light-year equaling almost 6 trillion miles.—
Mike Lynch,
Twin Cities,
6 Apr. 2025
Noun
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The gravitational pull of the star's remains would have been strong enough to crush together protons and electrons to form neutrons, meaning a neutron star is mostly made of neutrons.—
Charles Q. Choi,
Space.com,
22 May 2025
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Overlaying Chandra's X-ray data (shown in bright blue) with the radio data reveals the likely cause of the fracture to be an impact from a pulsar, a rapidly spinning neutron star that sends out pulses of radiation at regular intervals.—
Stefanie Waldek,
Space.com,
7 May 2025
Noun
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Another determinative variable would be how quickly rival countries will seize the opportunity to attract disillusioned investors with favorable tax regimes and strategic incentives.—
Virginia La Torre Jeker,
Forbes.com,
22 May 2025
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There are a lot of variables that go into the mix between the physical maturity, the offensive tools, the character and the body of work can comprise over 100 games at varying levels of competition with different levels of stakes.—
Corey Pronman,
New York Times,
22 May 2025
Noun
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Discovered in 1916 by American astronomer Edward Emerson Barnard, Barnard’s Star is a small and slow-burning red dwarf classified by astronomers as an M-type star.—
Tom Metcalfe,
Scientific American,
17 Mar. 2025
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Multiple kinds of observations from a variety of instruments led groups to a rare phenomenon: a white dwarf tightly orbiting a red dwarf every 125 minutes.—
Paul Smaglik,
Discover Magazine,
12 Mar. 2025
Noun
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Among the supernovas in the data will be other transient events such as variable stars and kilonovas, the violent collision between extreme dense stellar remnants called neutron stars.—
Robert Lea,
Space.com,
27 Jan. 2025
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In particular, Leavitt would scrutinize images of the Small and Large Magellanic Clouds, and had identified 1,800 variable stars within them.—
Keith Cooper,
Space.com,
17 Jan. 2025
Cite this Entry
“Red giant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20giant. Accessed 29 May. 2025.
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