Thesaurus results for WHITE DWARF

white dwarf

noun

Definition of white dwarf

as in neutron star

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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 white dwarf 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 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 What immediately stood out about WD 1856 b was how close its orbit is to its white dwarf host. — Robert Lea, Space.com, 2 July 2026 The planet either warmed up while engulfed during the red giant phase, or began heating as gravity pulled it closer to the resultant white dwarf. — Andrew Paul, Popular Science, 1 July 2026 See All Example Sentences for white dwarf

Recent Examples of Synonyms for white dwarf

Noun

When this phenomenon happens, all the matter in the neutron star fuses into one big atom, with a density of about a million billion g/cc.

— Stephen DiKerby, The Conversation, 29 June 2026
Hopefully, this will help determine whether they’re sparked by an eruption from a single neutron star, or when two of these tiny but massive bodies collide.

— Joseph Howlett, Scientific American, 18 June 2026

Definition of neutron star

Noun

Then in the future, when the binary star component enters the red giant phase, long after the outer star has become a compact white dwarf, the mass transfer could begin again in the opposite direction, with matter falling onto the surface of the white dwarf.

— Keith Cooper, Space.com, 3 June 2026
Granted, this series has moving parts beyond its binary stars.

— Steven Louis Goldstein, New York Times, 18 Apr. 2026

Definition of binary star

Noun

The lunar disk will appear to draw closer to the red light of Antares as the pair track a low arc over the southern horizon, before finally setting at sunrise on May 31, with the red star having transitioned to the top of the silver moon.

— Anthony Wood, Space.com, 29 May 2026
Instead, Lohan put her right hand in the shot, showing off a bubble bath pink natural nail polish as well as a small red star tattoo.

— Lara Walsh, InStyle, 6 Jan. 2026

Definition of red 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

For corporate and investor decision-makers the variable that now dominates AI infrastructure economics is not model performance or chip cost curves.

— Güney Yıldız, Forbes.com, 30 June 2026
But consumer demand is the big variable impacting companies’ gross margin, Sole noted.

— Vicki M. Young, Footwear News, 29 June 2026

Definition of variable

Noun

According to O’Conner’s first theory, the planet would have retained far more heat from when the star went red dwarf than the researchers observed.

— Sam Macdonald, Scientific American, 1 July 2026
This means the exoplanet originally resided safely outside the red dwarf’s diameter.

— Andrew Paul, Popular Science, 1 July 2026

Definition of red dwarf

Noun

The brown dwarf creates gravitational instability at distances equivalent to the distance between Mars and the sun, but this didn't prevent planets from forming in the system.

— Robert Lea, Space.com, 23 June 2026
This mass straddles the line between that of gas giants and brown dwarf stars, leading astronomers to call the object a planetary-mass companion.

— Jeanna Bryner, Scientific American, 18 June 2026

Definition of brown dwarf

Noun

It’s considered a red giant star, nearing the end of its stellar life.

— Mike Lynch, Twin Cities, 5 July 2026
Its host star has been a white dwarf for longer than that, which means the exoplanet was safe during the star's destructive red giant phase, and moved into its tight orbit afterwards.

— Robert Lea, Space.com, 2 July 2026

Definition of red giant

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“White dwarf.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/white%20dwarf. Accessed 7 Jul. 2026.

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Synonyms of white dwarf

noun

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