PROXIMA

Pronunciation (US):

(GB):

 Dictionary entry overview: What does Proxima mean? 

• PROXIMA (noun)
  The noun PROXIMA has 1 sense:

1. the nearest star to the sun; distance: 4.3 light years

  Familiarity information: PROXIMA used as a noun is very rare.

 Dictionary entry details 

• PROXIMA (noun)

Sense 1

Meaning:

The nearest star to the sun; distance: 4.3 light years

Classified under:

Nouns denoting natural objects (not man-made)

Synonyms:

Proxima; Proxima Centauri

Instance hypernyms:

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

Holonyms ("Proxima" is a member of...):

Centaur; Centaurus (a conspicuous constellation in the southern hemisphere near the Southern Cross)

 Context examples 

Proxima Centauri is the closest star to the Sun.

(ALMA Discovers Cold Dust Around Nearest Star, ESO)

The researchers also show that Proxima b’s composition might resemble Mercury’s, with a metal core making up two-thirds of the mass of the planet.

(Planet Orbiting Nearest Star Could be Habitable, NASA)

It orbits its star far more closely than Mercury orbits our sun, taking only 11 days to complete a single orbit — a "year" on Proxima b.

(ESO Discovers Earth-Size Planet in Habitable Zone of Nearest Star, 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)

The nearest known exoplanet is Proxima Centauri b, which is 4.25 light years away.

(Some Exoplanets May Have Greater Variety of Life than Exists on Earth, The Titi Tudorancea Bulletin)

The new world has the designation Ross 128 b and is now the second-closest temperate planet to be detected after Proxima b.

(Closest Temperate World Orbiting Quiet Star Discovered, ESO)

To put it into perspective, Neptune is about 30 AU away, the Voyager 1 probe is currently just under 140 AU away, and the nearest known star Proxima Centauri is 268,770 AU away.

(Our Sun Could Have Been Born With an Evil Twin Called "Nemesis", The Titi Tudorancea Bulletin)

The closest system to Earth, a trio of stars, is Alpha Centauri, that consists of Alpha Centauri, a close companion to it and the more distant companion Proxima Centauri, at about 4 light-years away.

(A cold, close neighbor of the Sun, NASA)

It is orbited by the Earth-sized temperate world Proxima b, discovered in 2016 and the closest planet to the Solar System.

(ALMA Discovers Cold Dust Around Nearest Star, ESO)

A rocky extrasolar planet with a mass similar to Earth’s was recently detected around Proxima Centauri, the nearest star to our sun.

(Planet Orbiting Nearest Star Could be Habitable, NASA)