red dwarf

Definition of red 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 red dwarf Advertisement The star LHS 1140b orbits is known as a red dwarf, a relatively small, relatively cool body with surface temperatures of 3,100°F to 5,800°F, compared to the 10,000°F heat of our own sun. Jeffrey Kluger, Time, 16 July 2026 Many stars are simply too dim to detect in visible light, particularly the abundant red dwarf stars that dominate the Milky Way. Kaif Shaikh, Interesting Engineering, 7 July 2026 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 See All Example Sentences for red dwarf
Recent Examples of Synonyms for red dwarf
Noun
  • Mills found that the white dwarf in V445 Puppis has overcome its stellar indigestion and is once again feeding on its companion helium star.
    Robert Lea, Space.com, 24 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
Noun
  • Second, the array will track decay pathways that mirror stellar reactions, showing how heavy elements form during supernovae and neutron star collisions.
    Aman Tripathi, Interesting Engineering, 1 Aug. 2026
  • Previous studies had suggested that the dark object was a neutron star.
    Keith Cooper, Space.com, 14 July 2026
Noun
  • 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
  • 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
Noun
  • The nova also spawned a thick disc of dust that completely obscured the binary star system.
    Robert Lea, Space.com, 24 July 2026
  • The study has major implications for studying binary star systems as well.
    Damien Pine, Scientific American, 21 July 2026
Noun
  • Such are the strange semantic questions raised by studies of CD-35 2722 B, a brown dwarf with about 30 times the mass of Jupiter that’s orbiting a small star that is some 73 light-years from Earth in the system CD-35 2722.
    Adam Kovac, Scientific American, 22 July 2026
  • Instead Hoy and his colleagues used the radial velocity method to look for wobbles in the brown dwarf.
    Jeffrey Kluger, Time, 22 July 2026
Noun
  • Persistence is the variable that converts a rare unsafe path into a likely one.
    Ashish Bhatia, Forbes.com, 1 Aug. 2026
  • The biggest variable between now and November is energy, Harker said, and no economic tool allows the administration to control what happens in the Persian Gulf.
    Kevin Rector, Los Angeles Times, 30 July 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
  • 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

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Cite this Entry

“Red dwarf.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20dwarf. Accessed 8 Aug. 2026.

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