Proxima Centauri

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Prox·i·ma Cen·tau·ri

 (prŏk′sə-mə sĕn-tôr′ē)
n.
The closest to Earth of three stars in the Alpha Centauri system. At a distance of 4.2 light-years, Proxima Centauri is the closest star to Earth after the sun.

[New Latin Proxima Centaurī : Latin proxima, feminine of proximus, nearest; see proximate + Centaurī, genitive of Centaurus, centaur, Centaurus; see centaur.]

Prox′i•ma Centau′ri

(ˈprɒk sə mə)
n.
the nearest star to the sun at a distance of 4.3 light-years, part of Alpha Centauri.
[< New Latin: nearest (star) of Centaurus]

Prox·i·ma Centauri

(prŏk′sə-mə)
See under Alpha Centauri.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Proxima Centauri - the nearest star to the sun; distance: 4.3 light years
Centaurus, Centaur - a conspicuous constellation in the southern hemisphere near the Southern Cross
References in periodicals archive ?
3 light-years, this system is made up of the binary formed by the stars Alpha Centauri A and Alpha Centauri B, plus the faint red dwarf Alpha Centauri C, also known as Proxima Centauri.
The stars' names: Alpha Centauri A, Alpha Centauri B, and Alpha Centauri C.
On the other hand, the red dwarf Alpha Centauri C showed no signs of a heliopause, contradicting theories that red dwarfs blow off a lot of mass due to flare activity on their surfaces.