RED DWARF

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does red dwarf mean? 

• RED DWARF (noun)
  The noun RED DWARF has 1 sense:

1. a small, old, relatively cool star; approximately 100 times the mass of Jupiter

  Familiarity information: RED DWARF used as a noun is very rare.

 Dictionary entry details 

• RED DWARF (noun)

Sense 1

Meaning:

A small, old, relatively cool star; approximately 100 times the mass of Jupiter

Classified under:

Nouns denoting natural objects (not man-made)

Synonyms:

red dwarf; red dwarf star

Hypernyms ("red dwarf" is a kind of...):

star ((astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior)

Hyponyms (each of the following is a kind of "red dwarf"):

flare star (a red dwarf star in which luminosity can change several magnitudes in a few minutes)

 Context examples 

When red dwarf stars are young, they are known to emit radiation that can be damaging for the atmospheres of the planets that orbit them.

(Super-Earth in Habitable Zone, The Titi Tudorancea Bulletin)

It is also the closest planet to be discovered orbiting an inactive red dwarf star, which may increase the likelihood that this planet could potentially sustain life.

(Closest Temperate World Orbiting Quiet Star Discovered, ESO)

TRAPPIST-1b completes a circuit around its red dwarf star in 1.5 days and TRAPPIST-1c in 2.4 days.

(Hubble Telescope Makes First Atmospheric Study of Earth-Sized Exoplanets, NASA)

The two red dwarf stars are a mere 7 million miles apart, or 14 times the diameter of the moon's orbit around Earth.

(Hubble Finds Planet Orbiting Pair of Stars, NASA)

A study describes a newly identified red dwarf star, AWI0005x3s, and its warm circumstellar disk, the kind associated with young planetary systems.

(A Potential New Hunting Ground for Exoplanets, NASA)

At just 12.5 light years from the Earth, Teegarden’s Star is the 24th-nearest known star system to our Solar System, and one of the smallest “red dwarf” stars discovered to date.

(Researchers find two new planets with masses similar to Earth’s near a small neighbouring star, University of Granada)

Barnard’s Star, the planet’s host star, is a red dwarf, a cool, low-mass star, which only dimly illuminates this newly-discovered world.

(Super-Earth Discovered Around Barnard's Star, ESO)

Or it may be influenced by a tidal tug from the star's red dwarf binary companion (HR 4796B), located at least 54 billion miles from the primary star.

(Hubble Finds Huge System of Dusty Material Enveloping the Young Star HR 4796A, NASA)

The star is classified as an M dwarf, or red dwarf, a class of stars that makes up 70 percent of the stars in the Milky Way galaxy.

(Kepler Telescope Discovers First Earth-Size Planet in 'Habitable Zone', NASA)

This new model allowed scientists to evaluate the effects of Proxima B's possible orbits and likely exposure to radiation and solar flares from its red dwarf sun on two types of atmospheres.

(Simulations show planet orbiting Proxima Centauri could have liquid water, Wikinews)