red star

noun

Definition of red starnext
as in neutron star

Related Words

Relevance

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
  • Such a cloud is typically linked to an eruption of heavy elements—those created during a neutron star collision and its resulting kilonova.
    — Robin George Andrews, Scientific American, 20 Oct. 2026
  • However, this star doesn't have certain other heavy elements that would be present after a neutron star collision.
    — Robert Lea, Space.com, 14 Oct. 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
  • Next, Hollands is planning to keep analyzing more white dwarf star spectra, with advances in scientific techniques meaning that researchers will be able to look at a new tranche of stars that are even farther away from Earth.
    — Jack Guy, CNN Money, 16 Oct. 2026
  • Located just 48 light-years from Earth, this white dwarf has a deep convection zone that carries carbon from its core to its surface.
    — Robert Lea, Space.com, 15 Oct. 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
  • This kind of signal in the brain is called a decision variable, a running tally of evidence that can climb toward a commitment.
    — Jacek Krywko, ArsTechnica, 23 Oct. 2026
  • The political situation in Israel adds a combustible variable.
    — Ali Vaez, Time, 21 Oct. 2026
Definition of variable
Noun
  • In this system, material seems to be flowing from the brown dwarf to the red dwarf in a process that could continue for millions of years.
    — Mary Randolph, Scientific American, 5 Oct. 2026
  • 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
Definition of red dwarf

Browse Nearby Words

reds
red star
red stars
See all Nearby Words

Cite this Entry

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

Copy Citation
Love words? Need even more definitions?

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

Last Updated: - Updated example sentences

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of emissary

See Definitions and Examples »

Popular in Grammar & Usage

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

'Can' vs. 'May'

'Affect' vs. 'Effect'

More Commonly Mispronounced Words

Is it 'nerve-racking' or 'nerve-wracking'?
See More

Popular in Wordplay

See More

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

The Words of the Week - Oct. 23

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

The Longest Long Words List

9 Words That Sound Like Insults But Aren't
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
different halloween monsters in silhouette
A Monstrous Vocab Quiz Words That Go Bump in the Night
See All