Thesaurus results for RED GIANT

red giant

noun

Definition of red giant

as in white dwarf

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of red giant At that point, our yellow sun will start swelling into a red giant star about 100 times its current size. — Andrew Paul, Popular Science, 1 July 2026 Roughly five billion years from now, the sun will follow the same path as this star, expanding into a red giant before shrinking into a white dwarf. — Sam MacDonald, Scientific American, 1 July 2026 The star system consists of a red giant star and a white dwarf locked in a close orbit. — Jamie Carter, Forbes.com, 25 June 2026 The first is the red giant phase, during which the sun will dramatically increase in size after running out of hydrogen in its core. — Rupendra Brahambhatt, Interesting Engineering, 20 June 2026 See All Example Sentences for red giant

Recent Examples of Synonyms for red giant

Noun

Meanwhile, the star's inert core contracted and became a white dwarf.

— Keith Cooper, Space.com, 17 Aug. 2026
The white dwarf emits radiation and produces a giant gas bubble—the lion’s face—that destroys dust in its path.

— Mary Randolph, Scientific American, 12 Aug. 2026

Definition of white dwarf

Noun

Its bright red star Antares marks the heart of the scorpion, with a curving tail extending downward toward the horizon.

— Jamie Carter, Space.com, 14 Aug. 2026
Betelgeuse has a companion star In 2019, astronomers noticed a strange dimming in the light from Betelgeuse, a bright red star in the Orion constellation.

— ArsTechnica, ArsTechnica, 3 Aug. 2026

Definition of red star

Noun

The twinkling point of light to the moon's upper left is the binary star system Alpha Virginis, also known as Spica, which shines as the brightest point in the constellation Virgo.

— Anthony Wood, Space.com, 4 Aug. 2026
The study has major implications for studying binary star systems as well.

— Damien Pine, Scientific American, 21 July 2026

Definition of binary star

Noun

Hubble’s images reveal an intricate web of gas and dust spreading outward from the explosion’s center, where a rapidly spinning neutron star remains.

— Kaif Shaikh, Interesting Engineering, 15 Aug. 2026
After the explosion, Betelgeuse A will probably leave behind a superdense neutron star with an incredibly strong magnetic field.

— Phil Plait, Scientific American, 14 Aug. 2026

Definition of neutron star

Noun

This variable star is also located 250 light-years from Earth, but is sadly lost from view in the glare of the sun during the summer months.

— Anthony Wood, Space.com, 29 June 2026
Mroz counters, however, that none of those cases are actual microlensing events and instead the mere fluctuations of ordinary variable stars.

— Jonathan O'Callaghan, Scientific American, 4 June 2026

Definition of variable star

Noun

That gets the paper 59 trillion km thick, or just more than six light-years (just past another red dwarf, Barnard’s Star, for that matter).

— Phil Plait, Scientific American, 7 Aug. 2026
This binary consists of a pre-main-sequence star that has gathered mass but hasn't yet triggered the fusion of hydrogen to helium in its core, and its companion, a red dwarf star.

— Robert Lea, Space.com, 17 July 2026

Definition of red dwarf

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red flags

red giant

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“Red giant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20giant. Accessed 25 Aug. 2026.

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Synonyms of red giant

noun

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