red star

noun

Definition of red starnext
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 red star 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, 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 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 In trillions of years – hundreds of times longer than the universe’s current age – these red stars will also fade away into darkness. — Stephen Dikerby, The Conversation, 24 Nov. 2025 See All Example Sentences for red star
Recent Examples of Synonyms for red star
  1. neutron star
  2. binary star
  3. variable star
  4. white dwarf
  5. giant star
  6. variable
  7. red dwarf
Noun
  • The same happens with a newborn neutron star but on a much grander scale; some pulsars have been measured to spin in excess of 700 times per second.
    — Robert Lea, Space.com, 2 Oct. 2026
  • Answering that question would allow astrophysicists to address other mysteries, such as the precise threshold where a neutron star will collapse to form a black hole.
    — Clara Moskowitz, Scientific American, 28 Sep. 2026
Definition of neutron 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
  • In May, for example, astronomers suggested that a lunar-mass PBH might have been spotted drifting through the halo of our Milky Way, but follow-up work suggested the sighting was a variable star, not a black hole.
    — Jonathan O'Callaghan, Scientific American, 2 Oct. 2026
  • 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
Definition of variable star
Noun
  • However, some stars collapse to form a white dwarf composed of oxygen, neon and magnesium.
    — Robert Lea, Space.com, 16 Sep. 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
  • These small stars also burn cooler and slower than our Sun (let alone a giant star), which means that intelligent, technology-using life has more time to potentially evolve and start sending out radio messages.
    — Kiona N. Smith, Forbes.com, 20 Mar. 2026
  • However, in the nearby Andromeda galaxy, a giant star seems to have taken a very different path.
    — Rupendra Brahambhatt, Interesting Engineering, 15 Feb. 2026
Definition of giant star
Noun
  • Climate Central scientist Zachary Labe notes that forecasting the weather is complex and variable, which makes such predictions tricky.
    — Jackie Flynn Mogensen, Scientific American, 2 Oct. 2026
  • If a price may change because of materials, scope or another variable, say so early.
    — Levi King, Forbes.com, 1 Oct. 2026
Definition of variable
Noun
  • Scientists have found that a distant world has a real rebellious streak, outwardly defying its red dwarf host star.
    — Robert Lea, Space.com, 22 Sep. 2026
  • Its host star is a dim bulb of a red dwarf about 49 light-years from our sun.
    — Phil Plait, Scientific American, 21 Aug. 2026
Definition of red dwarf

Browse Nearby Words

reds
red star
red stars
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Cite this Entry

“Red star.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20star. Accessed 4 Oct. 2026.

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