white dwarf

Definition of white dwarfnext

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 This investigation was conducted in ultraviolet light and using custom calibration to prevent flaring from the red dwarf companions from mimicking white dwarf signals. Robert Lea, Space.com, 14 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 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 See All Example Sentences for white dwarf
Recent Examples of Synonyms for white dwarf
Noun
  • Previous studies had suggested that the dark object was a neutron star.
    Keith Cooper, Space.com, 14 July 2026
  • 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
Noun
  • This includes an orange cloud that is actually the binary star system R Coronae Australis.
    Robert Lea, Space.com, 17 July 2026
  • Granted, this series has moving parts beyond its binary stars.
    Steven Louis Goldstein, New York Times, 18 Apr. 2026
Noun
  • After a welcome presentation and cocktail party—Kir Royales in hand—slip into Moments, the onboard restaurant by German Michelin‑starred chef David Görne, whose cooking has held a red star since 2016 and a Green Star for sustainability since 2020.
    Lewis Nunn, Forbes.com, 21 July 2026
  • 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
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
Noun
  • The shim also embeds the policy so enforcement doesn’t rely exclusively on the external variable.
    Dan Goodin, ArsTechnica, 14 July 2026
  • The Carry's replaceable battery supplies up to four hours of training time (variable on usage and operating conditions) per charge.
    Shirl Leigh July 13, New Atlas, 13 July 2026
Noun
  • 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
  • Looking at a red dwarf improves matters, since there’s less light overall, and planets are relatively larger compared to these small stars.
    John Timmer, ArsTechnica, 16 July 2026
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
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

Browse Nearby Words

Cite this Entry

“White dwarf.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/white%20dwarf. Accessed 25 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!